RefurBees offers the refurbished 4.7-lb. Lenovo ThinkPad T430 Intel Ivy Bridge Core i5 2.6GHz 14" Laptop for $398. Coupon code "LT43" cuts that to $279. (The coupon may apply automatically.) With free shipping, that's an extra $119 off and the lowest price we could find. It features an Intel Core i5-3320M 2.6GHz Ivy Bridge dual-core processor, 14" 1366x768 LCD, 8GB RAM, 128GB SSD, DVD reader, and Windows 10 Pro 64-bit.

Note: a 3-month warranty is included, but it's unclear who backs it.