This 20" Aluminum iMac is in absolutely mint, brand new condition. And it's covered by one year of AppleCare warranty, so you know you're getting a problem-free computer. Comes with a full-size Apple aluminum keyboard and Apple Mighty mouse. The price is $950.

20" LCD screen
2.66GHz Core 2 Duo
320GB hard drive
2GB of RAM
ATI Radeon HD 2600 Pro 256MB
iSight camera
Bluetooth
Airport Extreme