MegaMacs offers the refurbished Apple iMac Core Duo 2.4GHz 20" Desktop, model no. MB323LL/A, for $449.99 plus about $26 for shipping. That's $6 under our mention of a refurb from a week ago and the lowest total price we could find by $36. Features include an Intel Core 2 Duo E6600 2.4GHz dual-core processor, 20" 1680x1050 LED-backlit LCD, 4GB RAM, 250GB 7200 rpm hard drive, ATI Radeon HD 2400 XT 128MB graphics, SuperDrive, 802.11n wireless, Bluetooth 2.1 + EDR, webcam, and Mac OS X 10.7 (Lion). Deal ends April 22.
A 30-day MegaMacs warranty applies.