Joris has posted a new and improved version of his Caching tool that speeds up CRM demos in a HUGE way.  That and it looks way slicker. :-) It does require the .Net Framework 2.0.... I haven't tested this yet, but will when my RTM image finishes downloading from Redmond.

http://blogs.msdn.com/joris_kalz/archive/2005/12/08/CachingTool.aspx