Windows XP Pro on:~Asus P5B-E~Intel Core 2 Duo E6400 @ 3.2GHz~Scythe SCINF-1000~ Patriot eXtreme Performance (2 x 1GB) DDR2 800~EVGA 7900GTX 512MB (875MHz & 1720MHz) RoHS w/HDCP ~Seagate 320GB, WD 250GB, WD 500GB External~Turtle Beach Santa Cruz w/Klipsh 2.1 Pro Media Speakers~Dual monitors~ BenQ FP202W 20.1" Widescreen LCD & Hitachi CM721F 19in. CRT