There is an article over at TechTree.com talks about the Windows XP Mode (XPM) RC which is now available for download. Good Stuff!
http://www.techtree.com/India/News/Windows_XP_Mode_RC_for_Windows_7_Arrives/551-105212-580.html
A similar article over at Virtualization Review – http://virtualizationreview.com/articles/2009/08/04/windows-xp-mode-rc-released.aspx