First my Rig:
Gateway M1340 Metallica Blue
Ati Radeon 1300x
4GB DDR2 RAM
2 Logical Turion 64x CPUs
PC150 Sennheiser Microphone
Logitech Optical Mouse

OSs:
Vista 64-bit Pro
Ubuntu
Linux Redhat Distribution
Virtual Machines for testing with XP/ 2000/ 2008RS/ 2003 (I program!)