Dell Small Business offers the Dell Vostro 3905 AMD A10 Quad 3.5GHz Desktop PC (no monitor) for $549. Coupon code "VOSTRODEAL" cuts the price to $474. With free shipping, that's the lowest total price we could find by $175. It features an AMD A10-7800 3.5GHz quad-core processor, 8GB RAM, 1TB 7200 rpm hard drive, AMD Radeon R9 360 2GB graphics, DVD burner, and Windows 7 Professional (a Windows 8.1 Pro license is included). Deal ends March 31.