Dell Small Business offers the Dell OptiPlex 3020 Intel Haswell Core i3 3.4GHz Mini Tower Desktop PC for $509 with free shipping. That's $135 below last month's mention, which was bundled with a 22" LCD, $318 off list, and the lowest total price we could find. It features an Intel Core i3-4130 3.4GHz Haswell dual-core processor, 4GB RAM, 500GB 7200 rpm hard drive, DVD burner, and Windows 7 Professional 64-bit with a Windows 8 Pro license and media. Deal ends September 4.