Dell Small Business takes up to 35% off a selection of Dell Optiplex and Precision desktops and all-in-one PCs, with deals from $399.99. Plus, all orders bag free shipping. Deal ends September 22 at 7 am ET.

A best bet is the Dell OptiPlex 9020 MT Intel Haswell Core i7 3.4GHz Mini Tower Desktop PC (pictured, no monitor) for $949 with free shipping. That's $492 off list and the lowest total price we could find. It features an Intel Haswell Core i7-4770 3.4GHz quad core processor, 8GB RAM, 1TB 7200 rpm hard drive, AMD Radeon HD 8570 1GB video card, DVD burner, and Windows 7 Professional 64-bit. (It includes a Windows 8.1 Pro license.)