Dell Small Business offers its 4.8-lb. Dell Inspiron 15 3558 Broadwell Core i5 2.2GHz 15.6" Laptop for $599. Coupon code "INSP$419" drops the price to $419. With free shipping, that's tied with our mention from three weeks ago as the lowest total price we've seen. (It's also a current low by $60, outside of our mention below.) Features include an Intel Core i5-5200U 2.2GHz Broadwell dual-core processor, 15.6" 1366x768 (720p) LCD, 8GB RAM, 1TB hard drive, DVD burner, 802.11ac wireless, Bluetooth 4.0, 4-cell battery, and Windows 7 Professional 64-bit (with a Windows 10 Pro license). Coupon ends October 4.
Of note, Staples offers it for $399.99 with free shipping with the standard edition of Windows 10.