gia' se ne parla su http://blogs.msdn.com/ddcpxblg/archive/2005/10/24/484175.aspx

"For example, we are hard at work hammering out a proposal for a service pack roadmap, and will make sure we get customer input on both schedule and content of our major Whidbey servicing releases. "

Eccolo : http://blogs.ugidotnet.org/stefandemetz/archive/2006/09/17/SQL_Server_2005_SP1_Hotfix_Rollup.aspx