This is my newer system (still a good 4 years old).
HP m7680y Media Center
Processor: Intel Core 2 Duo e6400 @2.13GHz
GPU: EVGA Geforce 9500GT 1GB OC'd to 703MHz Core, 1709MHz Shader, 532MHz memory (yay upgraded graphics cards)
RAM: 2GB DDR2-667
Mobo: Asus Basswood (HP OEM board, can't buy it retail)
Monitor: HP 2009m 22" widescreen LCD
Keyboard and mouse are standard.
Gonna build an AMD Phenom II based system soon enough for more powerful gaming.