Dell Small Business offer its 4.3-lb. Dell Latitude 3580 Intel Kaby Lake Core i5 2.5GHz 15.6" Laptop for $599 with free shipping. (Jet.com charges the same.) That's the lowest price we could find by $52. It features an Intel Core i5-7200U 2.5GHz Kaby Lake dual-core processor, 15.6" 1366x768 LED-backlit LCD, 4GB RAM, 500GB 7200 rpm hard drive, 56WHr battery, and Windows 10 Pro 64-bit. Deal ends August 7.