Here's my current computer guts, my last major rebuild was in October 2004, with a few little tweaks since then:
The main components:
mobile Athlon 64 3200+ clawhammer (2.4GHz max OC at 1.55v), cooled by Thermalright SLK-948U w/Panaflo 92MM
DFI LanParty NF3 250GB, 1GB Patriot PC3200
Seasonic Super Silencer 460W w/fan swap
Seagate 7200.7 200GB and 7200.8 400GB
Plextor 1610A (in use since 2001) and BenQ DVD-RW
Lian-Li PC6077 with fan swaps, acoustipack, and HDD suspension mods
Matrox P650, MSI Dual Net, and RME Digi PAD cards