MegaMacs offers the refurbished 5.5-lb. Apple MacBook Pro Intel Core 2 Duo 2.4GHz 15.4" Laptop, model no. MB470LL/A, for $549.99 plus around $22 for shipping. That's the lowest total price we could find for a refurb by $144. Features include an Intel Core 2 Duo 2.4GHz dual-core processor, 15.4" LED-backlit widescreen LCD, 4GB RAM, 250GB hard drive, DVD burner, 802.11n wireless, Bluetooth, and Mac OS X (it's not clear which version). Deal ends January 7.

A 90-day MegaMacs warranty applies.