Dell Small Business offers its Dell OptiPlex Micro 3040 Intel Skylake Core i3 Dual 3.2GHz Desktop PC for $579. Coupon code "DELL$100" drops it to $479. With free shipping, that's $9 under our March mention and the lowest total price we could find now by $42. It features an Intel Core i3-6100T 3.2GHz Skylake dual-core processor, 4GB RAM, 128GB SSD, 802.11ac wireless, Bluetooth, USB 3.0, HDMI, and Windows 7 Professional 64-bit with a Windows 10 Pro license. Deal ends June 16.