MegaMacs offers the refurbished 5.4-lb. Apple MacBook Pro Intel Core 2 Duo 2.53GHz 15.4" LED-Backlit Laptop, model no. MC118LL/A, for $629.99 plus $2 for shipping. That's $130 under the lowest total price we could find for a used unit elsewhere. It features an Intel Core 2 Duo 2.53GHz dual-core processor, 15.4" 1440x900 LED-backlit display, 4GB RAM, 250GB hard drive, SuperDrive, NVIDIA GeForce 9400M GT 256MB video card, webcam, and Mac OS 10.7 (Lion). Deal ends October 17.

A 30-day MegaMacs warranty applies.