MegaMacs offers the refurbished Apple iMac Intel Core 2 Duo 3.06GHz 21.5" Desktop, model no. MC413LL/A, for $949.99 plus $27.11 for shipping. That's the lowest total price we could find for a used version with these specs elsewhere by $378 (this one's refurbished). This iMac features an Intel Core 2 Duo E7600 3.06GHz dual-core processor, 21.5" 1920x1080 (1080p) LCD, 8GB RAM, 512GB SSD, SuperDrive, Bluetooth 2.1+EDR, AirPort Extreme, and OS X 10.9 Mavericks. A 90-day MegaMacs warranty applies.