I was once told that you're not a proper geek until you have a page listing the spec of all your computers. So, here we are, the list of computers currently sat on my desk. (or at least near it.)
Lithium - Desktop

• Linux 2.6.30-gentoo-r5 for everyday + development. Windows 7 Ultimate RC1 for games.
• Intel Core2Duo E7500 @ 3.2GHz
• Gigabyte EP35-DS3
• 2048MB PC6400 RAM
• ATI RadeonHD 3650
• 80GB Western Digital Caviar Blue (For Windows, / and swap)
• 160GB IBM/Hitachi drive (for /home, still has an old OpenSuse install on it and the swap partition for said install.)
• Gentoo Base System release 1.12.11.1

****** - Laptop [BROKEN. :( ]

• Linux 2.6.27-gentoo-r8 x86_64
• Intel Core2Duo T5870 @ 2200MHz
• 2048MB RAM
• Intel GMA4500M graphics
• 250GB IBM/Hitachi drive
• Gentoo Base System release 1.12.11.1

Boron - Workstation

• R12000, with FPU @ 360MHz
• 1024MB RAM
• SGI "Odyssey" VPro V6 graphics
• 18GB Seagate Cheetah system drive.
• IRIX IRIS 6.5 10060437 IP30