http://blogs.technet.com/seanearp/archive/2008/11/26/sql-server-2008-upgrade-technical-reference-guide.aspxJust released, and only weighing in at 490 pages.  You didn’t have anything better to do over the Thanksgiving weekend, did you? ;) Get it here. Brief Description This 490-page document covers the essential phases and steps to upgrade existing instancesen-USCommunityServer 2.1 SP1 (Build: 61025.2)