Personally I prefer the grey one, but then I suppose that is just personal preference. Overall I like the site's design, it's sleek, and just plain nice. If I were to suggest one improvement however it would be that you add a bit more to the sidebar, maybe a search bar? Apart from that I like it.
photoshop comps
http://i219.photobucket.com/albums/cc40/comet2005/th_eXtreme_Makeover_by_iceangel89.jpg
http://i219.photobucket.com/albums/cc40/comet2005/th_eXtreme_Makeover_2_by_iceangel89.jpg
XHTML implementation
http://i219.photobucket.com/albums/cc40/comet2005/th_eXtremeMakeover.png
going to do the white 1