Best Buy offers the 3-lb. Apple MacBook Air Intel Broadwell Core i5 1.6GHz 13.3" Laptop for $849.99 with free shipping. That's $70 under our May mention and the best price we've seen for this configuration. (It's a low by $150.) It features an Intel Broadwell Core i5 1.6GHz dual-core processor, 13.3" 1440x900 LCD, 8GB RAM, 256GB SSD, 802.11ac wireless, Bluetooth 4.0, Thunderbolt 2, backlit keyboard, and Mac OS X 10.12 Sierra. Deal ends July 22.