Lenovo offers its 5.3-lb. Lenovo ThinkPad Z50 Intel Haswell Core i7 2GHz 15.6" 1080p Laptop, model no. 59426418, for $639. Coupon code "D2BLENOVO3" cuts it to $619. With free shipping, that's $70 under our mention from July, $330 off, and the lowest total price we could find. Features include an Intel Haswell Core i7-4510U 2GHz dual-core processor, 15.6" 1920x1080 (1080p) LED-backlit LCD, 8GB RAM, 500GB hard drive with an 8GB SSD, DVD burner, 720p webcam, 802.11ac wireless, Bluetooth 4.0, USB 3.0, HDMI output, 4-cell battery, and Windows 8.1 64-bit. Deal ends September 10.