Lenovo again offers its 5.5-lb. Lenovo ThinkPad T540p Intel Haswell Core i5 2.6GHz 15.6" Laptop, model no. 20BFS38A00, for $649 with free shipping. That's tied with last week's mention and the lowest total price we could find by $158. It features an Intel Core i5-4300M 2.6GHz Haswell dual-core processor, 15.6" 1920x1080 LED-backlit LCD, 8GB RAM, 500GB 7200 rpm hard drive, 802.11ac wireless, Bluetooth 4.0, DVD burner, 6-cell battery, and Windows 7 Professional 64-bit.