2010:

Road Lappy:

Sony Vaio VPCZ11X9E

Core i5, 6GBRam, 2x128GB Raid SSD

2007-ish:

Still going up in the loft and getting old:

AMD Athlon X2 3800+

ASUS A8R-MVP AMD / ALI chipset

4GB RAM

PowerColor Radeon HD 2600XD

Dual 19" LCD

Asetek WaterChill CPU / POWER

WINXP SP2, HAIKU, UBUNTU