UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


                                 SCHEDULE 13G/A
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                                (Amendment No. 3)


                          Fortissimo Acquisition Corp.
             ------------------------------------------------------
                                (Name of Issuer)


                    Common Stock, par value $0.0001 per share
             ------------------------------------------------------
                         (Title of Class of Securities)


                                    34958F107
             ------------------------------------------------------
                                 (CUSIP Number)


                                  April 3, 2008
             ------------------------------------------------------
             (Date Of Event Which Requires Filing of this Statement)

     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

[ ]  Rule 13d-1(b)

[X]  Rule 13d-1(c)

[ ]  Rule 13d-1(d)


The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



                               Page 1 of 10 Pages





CUSIP No. 34958F107                       13G/A              Page 2 of 10 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            D.B. Zwirn & Co., L.P.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                              0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                              0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             PN
-----------------------------------------------------------------------




CUSIP No. 34958F107                       13G/A              Page 3 of 10 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            D.B. Zwirn Special Opportunities Fund, Ltd.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Cayman Islands, British West Indies
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED (SEE INSTRUCTIONS)
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             CO
-----------------------------------------------------------------------




CUSIP No. 34958F107                       13G/A              Page 4 of 10 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            D.B. Zwirn Special Opportunities Fund, L.P.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             PN
-----------------------------------------------------------------------




CUSIP No. 34958F107                       13G/A              Page 5 of 10 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            DBZ GP, LLC
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             OO
-----------------------------------------------------------------------





CUSIP No. 34958F107                       13G/A              Page 6 of 10 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            Zwirn Holdings, LLC
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             OO
-----------------------------------------------------------------------





CUSIP No. 34958F107                       13G/A              Page 7 of 10 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS

            Daniel B. Zwirn
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            (see instructions)
                                                               (a) [X]
                                                               (b) [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            United States
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             0
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
                                                                     [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
             IN
-----------------------------------------------------------------------





CUSIP No. 34958F107                       13G/A              Page 8 of 10 Pages


This Amendment No. 3 (this "Amendment") amends the statement on Schedule 13G
filed on May 7, 2007, as amended by Amendment No. 1 filed on November 28, 2007
and as further amended by Amendment No. 2 filed on January 11, 2008 (as amended,
the "Schedule 13G") with respect to shares of Common Stock, par value $0.0001
per share (the "Shares") of Fortissimo Acquisition Corp., a Delaware corporation
(the "Issuer"). Capitalized terms used herein and not otherwise defined in this
Amendment have the meanings set forth in the Schedule 13G. This Amendment amends
and restates Items 4 and 5 in their entirety as set forth below.

Item 4.     Ownership

(a)  Amount Beneficially Owned

     As of the date of this filing, (i) D.B. Zwirn & Co., L.P., (ii) DBZ GP,
LLC, (iii) Zwirn Holdings, LLC, (iv) Daniel B. Zwirn, (v) D.B. Zwirn Special
Opportunities Fund, L.P. and (vi) D.B. Zwirn Special Opportunities Fund, Ltd. no
longer beneficially own any Shares (each entity referred to in (v) and (vi)
is herein referred to as a "Fund" and, collectively, as the "Funds").

     D.B. Zwirn & Co., L.P. is the manager of each of the Funds, and
consequently has voting control and investment discretion over the Shares held
by each of the Funds. Daniel B. Zwirn is the managing member of and thereby
controls Zwirn Holdings, LLC, which in turn is the managing member of and
thereby controls DBZ GP, LLC, which in turn is the general partner of and
thereby controls D.B. Zwirn & Co., L.P.

(b)  Percent of Class

     As of the date of this filing, (i) D.B. Zwirn & Co., L.P., (ii) DBZ GP,
LLC, (iii) Zwirn Holdings, LLC, (iv) Daniel B. Zwirn,(v) D.B. Zwirn Special
Opportunities Fund, L.P. and (vi) D.B. Zwirn Special Opportunities Fund, Ltd. no
longer beneficially own any Shares.


(c) Number of shares as to which such person has:

     (i)   Sole power to vote or to direct the vote:

           See Item 4(a)

     (ii)  Shared power to vote or to direct the vote

           See Item 4(a)

     (iii) Sole power to dispose or to direct the disposition of

           See Item 4(a)

     (iv)  Shared power to dispose or to direct the disposition of

           See Item 4(a)

Item 5.  Ownership of Five Percent or Less of a Class

     If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following: [X]

Exhibit I: Power of attorney for Daniel B. Zwirn dated November 7, 2007.




CUSIP No. 34958F107                       13G/A              Page 9 of 10 Pages

                                    SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each of
the undersigned certifies that the information with respect to it set forth in
this statement is true, complete, and correct.

Dated: April 9, 2008

D.B. ZWIRN SPECIAL OPPORTUNITIES     D.B. ZWIRN SPECIAL OPPORTUNITIES
FUND, L.P.                           FUND, LTD.
By: D.B. Zwirn & Co., L.P.           By: D.B. Zwirn & Co., L.P.
By: DBZ GP, LLC,                     By: DBZ GP, LLC,
    its General Partner                  its General Partner
By: Zwirn Holdings, LLC,             By: Zwirn Holdings, LLC,
    its Managing Member                  its Managing Member

D.B. ZWIRN & CO., L.P.               ZWIRN HOLDINGS, LLC
By: DBZ GP, LLC,
    its General Partner
By: Zwirn Holdings, LLC,
    its Managing Member

DBZ GP, LLC
By: Zwirn Holdings, LLC,
    its Managing Member




                               By: /s/ Lawrence D. Cutler
                                   --------------------------------
                                   Name: Lawrence D. Cutler
                                   Title: Authorized Signatory




/s/ Lawrence D. Cutler
----------------------------------
LAWRENCE D. CUTLER, as Attorney-in
-Fact for Daniel B. Zwirn





CUSIP No. 34958F107                       13G/A             Page 10 of 10 Pages


                                    EXHIBIT I

                                POWER OF ATTORNEY


The undersigned hereby appoints David C. Lee and Lawrence D. Cutler, or either
of them, his true and lawful attorney-in-fact and agent to execute and file with
the Securities and Exchange Commission any Schedule 13D, Schedule 13G, Form 3,
Form 4, Form 5, any amendments thereto and any related documentation which may
be required to be filed in his individual capacity as a result of the
undersigned's beneficial ownership of, or participation in a group with respect
to, securities directly or indirectly beneficially owned by D.B. Zwirn & Co.,
L.P. or any of its affiliates, and granting unto said attorney-in-fact and agent
full power and authority to do and perform each and every act and thing which he
might or could do in person, hereby ratifying and confirming all that said
attorney-in-fact and agent may lawfully do or cause to be done by virtue hereof.
The authority of David C. Lee and Lawrence D. Cutler, or either of them, under
this Power of Attorney shall continue with respect to the undersigned until the
undersigned is no longer required to file Schedule l3Ds, Schedule l3Gs, Forms 3,
Forms 4, or Forms 5 unless revoked earlier in writing.

Date:                                         November 7, 2007

                                              /s/ Daniel B. Zwirn
                                              ---------------------------
                                              Daniel B. Zwirn