ANTOnline via eBay offers the 5.2-lb. HP ProBook 450 G2 Intel Broadwell Core i5 2.2GHz 15.6" 1080p Laptop
, model no. L8D89UT#ABA, for $529.99
with free shipping
. That's $270 off and the lowest total price we could find. It features an Intel Core i5-5200U 2.2GHz Broadwell dual-core processor, 15.6" 1920x1080 (1080p) LCD, 8GB RAM, 1TB hard drive, DVD burner, 802.11n wireless, Gigabit Ethernet, Bluetooth, webcam, USB 3.0, HDMI, 4-cell battery, and Windows 7 Professional 64-bit with a Windows 8 Pro license.