Newegg offers the refurbished Lenovo ThinkPad T420S Intel Sandy Bridge Core i7 2.8GHz 14" Laptop for $249.99. This $20 mail-in rebate drops it to $229.99. With free shipping, that's $170 off list and the lowest total price we could find. It features an Intel Core i7-2640M 2.8GHz Sandy Bridge dual-core processor, 14" 1600x900 LCD, 4GB RAM, 128GB SSD, DVD reader, and Windows 7 Professional 64-Bit. Deal ends May 4.
Note: A 90-day warranty applies, but it's unclear who backs it.