Rig 1: Everday use, Loz plays The Sims 2 on it
Rig 2: Daily work horse for the business.
Rig 3: Loz's laptop for universitity
Rig 4: Media centre
Rig 5: Exchange server, active directory, print/file services, backup server
Rig 6: Terminal services
Thats about it. I have a test rig as well which is an Athlon XP 2200+ w/ 1gb
RAM which I use to plug HDD's into and scan for viruses, back up data, etc etc. Its not on the network. I do what I have to, then reload an Acronis image off a disk.