Adorama offers the Lenovo ThinkPad E550 Intel Broadwell Core i7 2.4GHz 15.6" Laptop, model no. 20DF0040US, for $629.99. This $50 mail-in rebate drops it to $579.99. With free shipping, that's $50 under our mention from last week and the lowest total price we could find by $87. Features include an Intel Core i7-5500U 2.4GHz Broadwell dual-core processor, 15.6" 1920x1080 LED-backlit display, 8GB RAM, 500GB hard drive, AMD Radeon R7 M260 2GB video card, DVD burner, 802.11ac wireless, Gigabit Ethernet, Bluetooth, 6-cell battery, and Windows 7 Professional 64-bit. Rebate ends December 3.