JemJem offers the refurbished Apple MacBook Pro Intel Ivy Bridge Core i7 2.6GHz 15.4" Retina Laptop for $855.99 with free shipping. That's $45 under our mention from February, $1,900 off its original list price (back in 2012), and the lowest price we've seen. (It's also $113 under the best deal we could find for a refurb with only a 256GB SSD elsewhere.) It features an Intel Ivy Bridge Core i7-3720QM 2.6GHz quad-core processor, 15.4" 2880x1800 IPS LED-backlit Retina display, 8GB RAM, 512GB SSD, Nvidia GeForce GT 650M 1GB and integrated Intel HD Graphics 4000 dual graphics processors, 720p Facetime camera, AirPort Extreme (802.11n wireless), Bluetooth 4.0, and Mac OS X 10.7 (Lion).

Note: It comes with a non-OEM charger and is covered by a 90-day JemJem warranty.