Dell Small Business offers its Dell Vostro 3900 Intel Haswell Core i5 3.2GHz Mini Tower Desktop PC (no monitor) for $599. Coupon code "VOSTRO$499" cuts it to $499. With free shipping, that's the lowest total price we could find for this configuration by $131, although we saw it for $50 less in March. It features an Intel Core i5-4460 3.2GHz Haswell quad-core processor, 8GB RAM, 1TB 7200 rpm hard drive, Nvidia GeForce GTX 745 4GB video card, DVD burner, USB 3.0, HDMI, Gigabit Ethernet, media card reader, and Windows 7 Professional 64-bit with a Windows 10 Pro license. Deal ends June 13.