Lenovo offers its Lenovo H30-50 Intel Haswell Core i3 3.6GHz Desktop PC, model no. 90B80010US, for $649.99. Coupon code "USPH30US326" drops it to $439.99. With free shipping, that's $210 off and the lowest total price we could find, although we saw a similar model for $21 less in December. Features include an Intel Core i3-4160 3.6GHz Haswell dual-core processor, 4GB RAM, 1TB 7200 rpm hard drive, DVD burner, 802.11n wireless, and Windows 8.1 64-bit. Deal ends April 1.