SharePoint User Profiles are not deleted after a user is removed from Active Directory
http://support.microsoft.com/default.aspx?scid=kb;en-us;2022500&sd=rss&spid=11373
Some pages fail to render properly after a large number of crawls in an Office SharePoint Server 2007 site
http://support.microsoft.com/default.aspx?scid=kb;en-us;979351&sd=rss&spid=11373
"The object was not found" in SharePoint Server 2007 crawling items hosted on IIS 7 with double escaped or High bit characters in the name
http://support.microsoft.com/default.aspx?scid=kb;en-us;2022903&sd=rss&spid=12200