Dell Small Business offers its Dell Inspiron 15 5000 Series 5559 Intel Skylake Core i5 2.3GHz 15.6" Laptop in Theoretical Gray for $649. Coupon code "SAVE220MORE" cuts it to $429. With free shipping, that's tied with our mention from last month as the lowest total price we've seen. (It's the best deal for this system with any Windows OS by $60.) It features an Intel Core i5-6200U 2.3GHz Skylake dual-core processor, 15.6" 1366x768 (720p) LED-backlit LCD, 8GB RAM, 1TB hard drive, DVD burner, 720p webcam, 802.11ac wireless, Bluetooth 4.0, HDMI, USB 3.0, 4-cell battery, and Windows 7 Professional 64-bit with a Windows 10 Pro license. Deal ends April 18.