Lenovo offers its 4.9-lb. Lenovo IdeaPad Z510 Intel Haswell Core i5 2.5GHz 15.6" LED-Backlit Laptop in Dark Chocolate, model no. 59400191, for $899. Coupon code “WINTER” cuts it to $579. With free shipping, that's $320 off and a very low price for a Lenovo laptop of its class. (We saw it for $10 less last month.) Features include an Intel Core i5-4200M 2.5GHz Haswell dual-core processor, 15.6" 1366x768 LED-backlit LCD, 8GB RAM, 1TB hard drive, DVD burner, 802.11n wireless, Bluetooth 4.0, 4-cell battery, and Windows 8 64-bit. Coupon expires January 15.