i wouldnt get such a good system and then that POS video card..get a amd 3000+ and OC it to 2.4ghz like i did and then spend the extra cash on a PCI-ex mobo SLI or not and then on a PCI-EX gpu.
AMD 3000+ @ 2.25
Corsair Twinx 1024mb 2x512mb XMS
MSI 6600GT's SLIed @ 565/1100
Neo 4 Platinum SLI Mobo