JemJem offers the refurbished Apple iMac Intel Core i5 2.7GHz 21.5" Desktop, model no. MD093LL/A, for $998 with free shipping. That's $2 under our mention of a new unit from last summer and the lowest total price we've seen for this model. Features include an Intel Core i5-4570R 2.7GHz Ivy Bridge quad-core processor, 21.5" 1920x1080 LED-backlit display, 8GB RAM, 1TB hard drive, NVIDIA GeForce GT 640M 512MB video card, AirPort Extreme (802.11n), two Thunderbolt ports, four USB 3.0 ports, FaceTime HD camera, Bluetooth 4.0, Gigabit Ethernet, Magic Mouse, wireless keyboard, and OS X 10.8 Mountain Lion.

A 90-day JemJem warranty applies.