Dell Small Business offers the Dell Vostro 3905 AMD A10 Quad 3.5GHz Desktop PC (no monitor) for $519. Coupon code "VOSTRODEAL" cuts the price to $419. With free shipping, that's $55 under our mention from a month ago and the lowest total price we've seen for a Vostro with this processor. (It's a current best by $99.) 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 April 30.