Best Buy offers the 2.4-lb. MacBook Air Intel Haswell Core i5 1.3GHz 11.6" Laptop, model no. MD711LL/A, for $799. Qualifying students with a .edu email address can sign up for the College Student Deals newsletter, which will yield a coupon good for $150 off, dropping the MacBook to $649.99. With free shipping, that's $50 under last week's mention and the lowest total price we could find now by $150. It features an Intel Haswell Core i5 1.3GHz dual-core processor, 11.6" 1366x768 LED-backlit display, 4GB RAM, 128GB SSD, 802.11n wireless, Bluetooth 4.0, Thunderbolt, USB 3.0, and Mac OS X 10.9 Mavericks.