Today only, MidnightBox offers the refurbished 5-lb. Apple MacBook Intel Core 2 Duo 2.4GHz 13.3" Widescreen Notebook in White, model no. MB403LL/A, for $479.95 plus $3.99 for shipping. That's $86 under our February mention of a used unit and the lowest total price we could find. It features an Intel Core 2 Duo T8300 2.4GHz dual-core processor, 1280x800 13.3" display, 2GB RAM, 160GB hard drive, iSight webcam, Airport Extreme 802.11n, Bluetooth, Mac OS X 10.6 Snow Leopard, and more.

A 90-day warranty applies, although it's unclear who backs it.