ANTOnline offers the Lenovo ThinkCentre M83 Intel Core i7 Quad 3.4GHz Desktop PC, model no. 10AL000GUS, for $744.88 with free shipping. That's $10 below our mention from two weeks ago and the lowest total price we've seen for this desktop. (It's a current low by $43.) It features an Intel Core i7-4770 3.4GHz quad-core processor, 4GB RAM, 1TB hard drive, DVD burner, Gigabit Ethernet, and Windows 7 Professional 64-bit with Windows 8 Pro 64-bit upgrade.