Dell Small Business offers the Dell OptiPlex 3020 Intel Haswell Core i5 3.2GHz Mini Tower Desktop PC (no monitor) for $679. Coupon code "J2JVJ3C51C06VB" cuts it to $629. With free shipping, that's $50 under our mention from last week and the lowest total price we've seen for this model with 8GB RAM. (It's also a current price low by $51.) It features an Intel Core i5-4570 3.2GHz Haswell quad-core processor, 8GB RAM, 1TB 7200 rpm hard drive, DVD burner, keyboard, mouse, and Windows 7 Professional 64-bit. Coupon expires March 28.