It's a desert with little support, delayed drivers and no one to talk to. Don't bother. If you visit tomshardware.com you find what's the latest so try stopping at 2GB RAM and a nice CPU. Now pick the top from this list -> http://www.tomshardware.com/2008/01/03/the_best_gaming_graphics/
Read http://www.tomshardware.com/2008/01/08/ces_nvidia_3-way_sli_crysis/ too.
would a quad core 2.66 ghz cpu with 1066 fsb beat a duo core 3.0 ghz cpu at 1333 fsb? would i have to run 64 bit vista? is 64x required to maximize memory usage as evga board only goes to 4x1gig memory at 32 bit/4x2gig at 64x