Dell Small Business offers its Dell OptiPlex 7020 Intel Haswell Core i5 3.3GHz Mini Tower Desktop PC for $729. Apply coupon code "$50OFFBIZ" to drop it to $679. With free shipping, that's $70 under our mention from last June and the lowest total price we could find now by $36. Features include an Intel Core i5-4590 3.3GHz Haswell quad-core processor, 8GB RAM, 500GB 7200 rpm hard drive, AMD Radeon R5 240 1GB graphics card, DVD burner, and Windows 7 Professional English/French 64-bit. Deal ends April 1.