On Sept 29th, Microsoft made SQL Server 2008 SP2 available for download.
Here are the KB article with a description of the fixes and the links to download SP2.
KB 2285068 : List of the bugs that are fixed in SQL Server 2008 Service Pack 2.
SQL Server 2008 SP2
SQL Server 2008 SP2 Express
SQL Server 2008 SP2 Feature Packs
SQL Server 2008 SP2 SSRS Add-in for Microsoft SharePoint Technologies
SQL Server 2008 SP2 Upgrade Advisor