GGA Gsc Acquisition

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Investments L.P.

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,465,625
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,465,625

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,465,625

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 9.8%

12. Type of Reporting Person: IA

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Services LLC (1)

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,465,625
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,465,625

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,465,625

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 9.8%

12. Type of Reporting Person: IA

--------------
(1) HBK Investments L.P. has delegated discretion to vote and dispose of the
 Securities to HBK Services LLC ("Services"). Services may, from time to
 time, delegate discretion to vote and dispose of certain of the Securities
 to HBK New York LLC, a Delaware limited liability company, HBK Virginia
 LLC, a Delaware limited liability company, and/or HBK Europe Management
 LLP, a limited liability partnership organized under the laws of the United
 Kingdom (collectively, the "Subadvisors"). Each of Services and the
 Subadvisors is under common control with HBK Investments L.P. The
 Subadvisors expressly declare that the filing of this statement on
 Schedule 13G shall not be construed as an admission that they are, for the
 purpose of Section 13(d) or 13(g) of the Securities Exchange Act of 1934,
 beneficial owners of the Securities.

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK New York LLC

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,465,625
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,465,625

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,465,625

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 9.8%

12. Type of Reporting Person: IA


CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Partners II L.P.

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,465,625
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,465,625

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,465,625

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 9.8%

12. Type of Reporting Person: HC

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Management LLC

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,465,625
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,465,625

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,465,625

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 9.8%

12. Type of Reporting Person: HC

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Master Fund L.P.

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 2,181,400
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 2,181,400

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

2,181,400

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 8.7%

12. Type of Reporting Person: PN

CUSIP No. 40053G106

1. Name of Reporting Persons.

HBK Special Opportunity Fund I L.P.

2. Check the Appropriate Box if a Member of a Group

 (a) /X/

 (b) / /

3. SEC Use Only

4. Citizenship or Place of Organization: Delaware

 5. Sole Voting Power: 0
Number of
Shares
Beneficially 6. Shared Voting Power: 284,225
Owned By
Each
Reporting 7. Sole Dispositive Power: 0
Person
With:
 8. Shared Dispositive Power: 284,225

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

284,225

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /

11. Percent of Class Represented by Amount in Row (9): 1.1%

12. Type of Reporting Person: PN


Item 1(a). Name of Issuer:

The name of the issuer is GSC Acquisition Company (the "Issuer").

Item 1(b). Address of Issuer's Principal Executive Offices:

The principal executive offices of the Issuer are located at 500 Campus Drive,
Suite 220, Florham Park, New Jersey 07932.

Item 2(a). Names of Persons Filing:

This Schedule 13G statement is hereby filed by the persons set forth below.

HBK Investments L.P.
HBK Services LLC
HBK New York LLC
HBK Partners II L.P.
HBK Management LLC
HBK Master Fund L.P.
HBK Special Opportunity Fund I L.P.

Item 2(b). Address of Principal Business Office, or if None, Residence:

The address of the principal business office for each Reporting Person is set
forth below.

HBK Investments L.P.: 2101 Cedar Springs Road, Suite 700, Dallas, Texas 75201.
HBK Services LLC: 2101 Cedar Springs Road, Suite 700, Dallas, Texas 75201.
HBK New York LLC: 350 Park Avenue, 20th Floor, New York, New York 10022.
HBK Partners II L.P.: 2101 Cedar Springs Road, Suite 700, Dallas, Texas 75201.
HBK Management LLC: 2101 Cedar Springs Road, Suite 700, Dallas, Texas 75201.
HBK Master Fund L.P.: c/o HBK Services LLC, 2101 Cedar Springs Road, Suite 700,
Dallas, Texas 75201.
HBK Special Opportunity Fund I L.P.: c/o HBK Services LLC, 2101 Cedar Springs
Road, Suite 700, Dallas, Texas 75201.

Item 2(c). Citizenship:

HBK Investments L.P. is a Delaware limited partnership.
HBK Services LLC is a Delaware limited liability company.
HBK New York LLC is a Delaware limited liability company.
HBK Partners II L.P. is a Delaware limited partnership.
HBK Management LLC is a Delaware limited liability company.
HBK Master Fund L.P. is a Cayman Islands limited partnership.
HBK Special Opportunity Fund I L.P. is a Cayman Islands limited partnership.

Item 2(d). Title of Class of Securities:

This statement relates to the Common Stock of the Issuer (the "Securities").

Item 2(e). CUSIP Number:

The CUSIP number of the Securities is 40053G106.

Item 3. If this statement is filed pursuant to Sections 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:

(a) / / Broker or dealer registered under section 15 of the Act (15 U.S.C.
78o).

(b) / / Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) / / Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C.
78c).

(d) / / Investment company registered under section 8 of the Investment Company
Act of 1940 (15 U.S.C. 80a-8).

(e) / / An investment adviser in accordance with section 240.13d-
1(b)(1)(ii)(E).

(f) / / An employee benefit plan or endowment fund in accordance with section
240.13d-1(b)(1)(ii)(F).

(g) / / A parent holding company or control person in accordance with section
240.13d-1(b)(1)(ii)(G).

(h) / / A savings associations as defined in Section 3(b) of the Federal
Deposit Insurance Act (12 U.S.C. 1813).

(i) / / A church plan that is excluded from the definition of an investment
company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C.
80a-3).

(j) / / Group, in accordance with section 240.13d-1(b)(1)(ii)(J).

Item 4. Ownership.

Ownership is incorporated by reference to items 5-9 and 11 of the cover page of
each Reporting Person.

The percentage disclosed in item 11 of the cover page of each Reporting Person
is calculated based upon 25,200,000 shares of common stock reported to be
outstanding as of November 11, 2008 by the Issuer in its Form 10-Q for the
quarterly period ended September 30, 2008 filed with the Securities and
Exchange Commission on November 12, 2008.

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 / /

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Jamiel A. Akhtar, Richard L. Booth, David C. Haley, Lawrence H. Lebowitz, and
William E. Rose are each managing members (collectively, the "Members") of HBK
Management LLC. The Members expressly declare that the filing of this
statement on Schedule 13G shall not be construed as an admission that they are,
for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act of
1934, beneficial owners of the Securities.

Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8. Identification and Classification of Members of the Group.

See Item 2.

Item 9. Notice of Dissolution of Group.

Not applicable.

Item 10. Certification.

By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in connection with or as
a participant in any transaction having that purpose or effect.