Built mine 2 1/2years ago, with a few updates. It still runs everything on max detail.
i7 950 Processor, OC to 4.2ghz
ASUS mobo (forgot the model)
nVidia 550ti 2gb video card
Westgate 2TB 7800rpm HD
Thermatake liquid cooling
750W Corsair PSU
Coolmaster 960 (i think) case
$10 4yr old walmart mouse
1 19" LCD Acer screen and 1 23" eMachines not too sure what it is screen
Windows 7 Enterprise
So far I have 270GB of movies, 30GB of Music, 200GB of games, and some random other stuff.
Mods: BPC tune, AEM Meth Injection, BDP downpipe, Wagner intercooler, Bilstien B12 Kit, M3 Control Arms, MB Quartz Kit/Alpine Amp
Best 1/4mi: 12.34s @ 111.88MP/h