My gaming comp is as follows
AMD XP 2800+ Oced from 2.08Ghz to 2.4Ghz
2WD Caviars Raid 160Gb (2x80)
512 Infineon PC3200 2.5-3-3-7
Onboard video(had a 9800 Pro 256, burnt out)
17 inch FP display
Asus Mobo
I just built a comp for my friend tho
AMP X2 3800+ oced from 2.0ghz to 2.5
ATI x800xt
Hauppage TV tuner
2Gb Corair XMS RAM
2 Seagate barricudas 7200.9 raid @400GB (2x200)
External WDC at 80Gb
8.1 Digital Surround sound
one 19 inch FP display linked with a TV for 2 monitors.
He even bought a front panel that boots your computer from a key fob that you can put on your keychain, pretty sweet.