An update to the SQL Server Management pack is available on the download center http://www.microsoft.com/downloads/details.aspx?FamilyID=8c0f970e-c653-4c15-9e51-6a6cadfca363&DisplayLang=en

The MP catalog is also updated with this release http://www.microsoft.com/technet/prodtechnol/scp/opsmgr07.aspx

Details of the MP changes are contained in the MP Guide distributed with the MP. More details on the MOM team blog http://blogs.technet.com/momteam/archive/2008/04/01/opsmgr-2007-sql-mp-version-6-0-6278-8-released.aspx