Lenovo offers its Lenovo K450e Intel Haswell Core i5 3.2GHz Desktop (no monitor), model no. 57328801, for $799. Coupon code "BFRIDAYK" cuts it to $499.99. With free shipping, that's tied with our mention from three days ago as $299 off and the best price we've seen for this desktop. Features include an Intel Haswell Core i5-4460 3.2GHz quad-core processor, 8GB RAM, 1TB 7200 rpm hard drive, DVD burner, 802.11n wireless, and Windows 8.1 64-bit. Deal ends November 30.