MegaMacs offers the used Apple MacBook Core Duo 1.83GHz 13" Widescreen Notebook, model no. MA254LL/A, for $374.99 plus around $23 for shipping. That's the lowest total price we could find by $45. It features an Intel Core Duo 1.83GHz dual-core processor, 13.3" widescreen LCD, 1GB RAM (more than standard), 60GB hard drive, DVD/CD-RW combo drive, 802.11g wireless, Bluetooth, and more. Deal ends July 20.

A 30-day MegaMacs warranty applies.