Dell Small Business offers its Dell Optiplex 3020 Intel Haswell Core i3 3.5GHz Mini Tower Desktop PC for $499. Coupon code "VL70G31ZB9PP96" cuts the price to $399. With free shipping, that's a $50 drop from last month and the lowest total price we've seen. It features an Intel Core i3-4150 3.5GHz Haswell dual-core processor, 4GB RAM, 500GB 7200 rpm hard drive, DVD burner, and Windows 7 Professional. Deal ends January 1, 2015 at 7 am ET.