MegaMacs offers the refurbished Apple iMac 20" Intel Core 2 Duo 2GHz All-in-One Desktop, model no. MC015LL/A, for $529.99 plus around $29 for shipping. That's $34 under our mention from two weeks ago and $95 below the lowest total price we could find for a refurb elsewhere. Features include an Intel Core 2 Duo 2GHz dual-core processor, 20" 1680x1050 widescreen LCD, 2GB RAM, 160GB 7200 rpm hard drive, SuperDrive, NVIDIA GeForce 9400M 256MB graphics card, Bluetooth 2.1+EDR, AirPort Extreme (802.11n wireless), iSight webcam, and OS X 10.6 Snow Leopard. Deal ends October 24.

A 30-day MegaMacs warranty applies.