Ending today, Lenovo offers its 3.6-lb. Lenovo ThinkPad T431s Intel Ivy Bridge Core i5 2.7GHz 14" LED-Backlit Ultrabook, model no. 20AACTO1WW, for $1,179. Coupon code "T431SDB" cuts it to $849. With free shipping, that's $30 under our September mention (although that laptop only had 4GB RAM) and the lowest total price we've seen for any Lenovo ThinkPad T431s. Features include an Intel Core i5-3337U 2.7GHz Ivy Bridge dual-core processor, 14" 1600x900 LED-backlit LCD, 8GB RAM, 500GB 7200 rpm hard drive, 24GB SSD, 802.11n wireless, webcam, fingerprint reader, smart card reader, 3-cell battery, and Windows 8 64-bit. (No optical drive is included.)