New guy & audio noob here, just adding my system to the list...
Case: Lian Li PC-A71F
CPU: Intel Core i7 960
Mainboard: EVGA X58 E760 Classified
Memory: 6GB Crucial Ballistix Tracer
Video: 1GB AMD Radeon 5870 by XFX
HDD: 2x 300GB WD Velociraptors 10k rpm in RAID 1
PSU: Seasonic X750
Sound: Asus Xonar Essence STX
Headphones: Sennheiser PXC 450
(I know they're not exactly audiophile grade, but I need the noise cancelling for frequent...