So, SQL 2008 SP2 has been released.

Here may be some helpful links for you:

SQL 2008 SP2 released in late September 2010.

Here is the download location:

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=8FBFC1DE-D25E-4790-88B5-7DDA1F1D4E17&displaylang=en

List of bugs fixed in SQL 2008 SP2:

http://support.microsoft.com/kb/2285068

Important note on which CU's post SP1 are included:

In addition to the fixes that are listed in this article, SQL Server 2008 SP2 contains the hotfixes that were included in Cumulative Update 1 through Cumulative Update 8 for SQL Server 2008 Service Pack 1 (SP1). For more information about the cumulative update packages that are available for SQL Server 2008 SP1, click the following article number to view the article in the Microsoft Knowledge Base:

The SQL Server 2008 builds that were released after SQL Server 2008 SP1 was released

http://support.microsoft.com/kb/970365

Release notes for SQL 2008 SP2:

http://social.technet.microsoft.com/wiki/contents/articles/microsoft-sql-server-2008-sp2-release-notes.aspx

How to update or slipstream an installation of SQL Server 2008

http://support.microsoft.com/kb/955392

There is an updated SQL 2008 SP2 feature pack as well:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=1B2BD555-CB5B-47B9-88C7-3F89F3B43779

The latest SQL 2008 upgrade advisor:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=BDD888FA-779F-480C-A85F-7D70B179E3B9

I hope this helps you!