2.4 dualcore
2 gb RAM (DDR 800)
500 gb SATA HD
GF 8800 GTS (640mb)
22" LCD (Acer)
WIN XP SP2
$10.00 optical mouse
$15.00 logitek headset

Got this early '08. Here is the humorous part, this is what I started playing TF2 on:

P4 3.0 ghtz
512MB RAM
80GB IDE HD
GF 4 TI 128MB

It ran ok, but I did not even recognize the game when I got the new PC...