MegaMacs offers the used Apple iMac Intel Core 2 Duo 2.8GHz 24″ Desktop, model no. MA878LL/A, for $724.99 plus around $36 for shipping. That’s $63 under our October mention and the lowest total price we’ve seen for a 24″ Aluminum iMac. Features include an Intel Core 2 Duo T7700 2.8GHz dual-core processor, 24″ 1920×1200 widescreen LCD, 2GB RAM, 320GB hard drive, dual-layer DVD burner, Airport Extreme (802.11n wireless), Bluetooth, iSight webcam, and Mac OS X 10.6 Snow Leopard. Deal ends December 22 at 3 pm ET.

A 30-day MegaMacs warranty applies.

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