Lenovo offers its 5.5-lb. Lenovo Z50 Intel Haswell Core i7 2GHz 15.6" 1080p Laptop, model no. 59436278, for $699. Coupon code "USPZ578326" cuts it to $579. With free shipping, that's tied with our mention from two weeks ago, $521 off list, and the lowest total price we've seen for this model. Features include an Intel Core i7-4510U 2GHz Haswell dual-core processor, 15.6" 1920x1080 (1080p) LCD, 8GB RAM, 1TB hard drive, 802.11ac wireless, NVIDIA GeForce 820M 2GB graphics card, 4-cell battery, Bluetooth 4.0, USB 3.0, HDMI, and Windows 8.1 64-bit.