I built my comp over the summer, unfortunately, the vid card is the bottleneck. :/

OS: Windows XP Professional SP1
CPU: Intel P4 2.66 Ghz, sometimes overclocked to 3.0ghz.
Video: Sapphire ATI Radeon 9500 128 Mb softmodded to Radeon 9700 (8 pipelines! w00t!)
Sound: Integrated into MSI 875P NEO-LSR mobo Memory: 1024 Mb Crucial DDR
Other: 17" NEC MultiSync LCD, Logitech Cordless MX Duo, 120 Gb Seagate 7200RPM