Dell Small Business offers its Dell Inspiron 3000 Series 3847 Intel Haswell Core i7 3.6GHz Desktop PC (no monitor) for $829. Coupon code "DELLDT579" cuts it to $579. With free shipping, that's $58 under our mention from two days ago and the second-lowest total price we've seen for an i7-based desktop with Windows 7 Pro, 16GB RAM, and a 2TB hard drive. (It's a current best by $133.) It features an Intel Core i7-4790 3.6GHz Haswell quad-core processor, 16GB RAM, 2TB 7,200rpm hard drive, DVD burner, 802.11n wireless, Bluetooth 4.0, USB 3.0, HDMI, media card reader, McAfee LiveSafe 12-month subscription, and Windows 7 Professional 64-bit (with a Windows 8.1 Pro license). Deal ends March 18 at 6 pm ET.