I'm running it on:
CPU: Intel E6600 @ 3.0 Ghz (O/C)
GFX: eVGA 8800GTX KO edition
Mobo: eVGA nForce 680 SLi
Drives: 2x150GB WD; 2x250GB SATA
RAM: 2x1GB Corsair XMS2 800Mhz
Sound: Creative X-Fi Fatal1ty
PSU: Corsair HX620W
Case: Thermaltake Tai-Chi (with watercooling for CPU)
O/S: Windows XP SP2 (I have Vista on another drive it doesn't get anything serious run on it - just work
)
Monitor: Philips 220W 20" Widescreen
Controllers: Logitech - G5, G15 & G25
I run at 1680x1050 and it seems to do OK
.