SQL08_v_rgbSQL Server 2008 SP2 - http://www.microsoft.com/downloads/en/details.aspx?FamilyID=8fbfc1de-d25e-4790-88b5-7dda1f1d4e17.

SQL Server 2008 SP2 Express - http://www.microsoft.com/downloads/en/details.aspx?FamilyID=40acf55f-0715-4bb0-9735-d02fc2c8a7af

SQL Server 2008 SP2 Feature Pack - http://www.microsoft.com/downloads/en/details.aspx?FamilyID=1b2bd555-cb5b-47b9-88c7-3f89f3b43779.

SQL Server 2008 SP2 Upgrade Advisor - http://www.microsoft.com/downloads/en/details.aspx?FamilyID=bdd888fa-779f-480c-a85f-7d70b179e3b9.

SQL Server Reporting Services Add-in for SharePoint - http://www.microsoft.com/downloads/en/details.aspx?FamilyID=35c3a13f-4b5e-4d4a-86e4-07ee307b9638.

Get the full information on this release via the SQL team blog at http://blogs.technet.com/b/dataplatforminsider/archive/2010/09/29/sql-server-2008-sp2-is-available-for-download-today.aspx.