Oh! We're counting other devices! Okay, 360 in the main rig, plus 40 in my replay tv, + 120 in my Xbox, + 75 Firewire harddrive, + an 8 gig original xbox drive that does nothing....
360+40+120+75+8 = 603gigs
Wow, I had no idea that I had 0.6 terabytes lying around my house.