General Purpose
Windows XP
Samsung 997DF 19" CRT
Antec Sonata w/ Panaflo 120mm, Antec Truepower 430W
Abit NF7-S NF2
Athlon XP-M 2500+ @ 2.63 GHz w/ Thermaltake Volcano 12
(2x) Crucial 512MB DDR400 (PC3200) - 2.5-3-3-8 @ 2.7v
ATI Radeon 9600XT 128MB DDR, 128-bit
Seagate 80GB 7,200RPM IDE
Plextor 52x24x52 CD-RW IDE
Microsoft Internet Keyboard
Logitech MX500

Backup, BitTorrent, Storage
Windows XP
Samsung 793DF 17" CRT
Antec Sonata w/ Panaflo 120mm
Asus A7N8X-E Deluxe NF2
Athlon XP 2000+ @ 1.67GHz w/ Stock HSF
Kingston 512MB DDR400 (PC3200)
Nvidia GeForce TI 4200 128MB DDR, 128-bit
(2x) Seagate 160GB 7,200RPM IDE
Lite-On 52X32X52 CD-RW IDE
(2x) Western Digital 80GB External USB
Microsoft Internet Keyboard
Logitech Optical Mouse

I also have several non-functional Dell and Compaq systems somewhere in my untidy apartment.