OS: Mostly Win XP Pro Corporate, sometimes Ubuntu Edgy Eft.
CPU: 1.53Ghz Athlon XP 1800+
Ram: 1x512mb PC3200, 1x256mb PC2700
Video Card: nVidia GeForce 4 Ti 4200 AGP 8x
HDD: 1x80Gb 7200rpm 2mb cache Hitachi 7K80 Deskstar, 1x 250Gb Lacie Porsche 8mb cache 7200RPM External USB2.
Sound: On standard AC`97 for now
Networking: Buitl in 10/100 Ethernet, disabled MSI 802.11g 125mbps mode wireless LAN card
Optical: CD-RW, DVD-ROM, DVD-RW +/-
Other: mp3 player, usb PS2 clone gamepad, eye toy (as webcam) and phone usually always connected.
PSU: 500W eSumVision PSU
Input: Generic unbranded US Layout keyboard, Generic optical mouse which.
Insanely detaild stuff:
http://slyph.org/m3tal.htm