Lenovo offers its Lenovo H50-50 Intel Haswell Core i5 3.2GHz Desktop PC, model no. 90B6003EUS, for $799.99. Coupon code "USPH5EUS226" cuts it to $599.99. With free shipping, that's $250 off list and the lowest total price we could find. Features include an Intel Core i5-4460 3.2GHz Haswell quad-core processor, 8GB RAM, 2TB hard drive, DVD burner, 802.11n wireless, USB 3.0, and Windows 8.1 64-bit. Deal ends March 5.