The Apple Store again offers its factory-refurbished 2.4-lb. Apple MacBook Air Intel Core i5 1.7GHz 11.6" Laptop, model no. MD224LL/A, for $679 with free shipping. That's a savings of $120 and tied with our July mention and the lowest total price we've seen for this older model. It features an Intel Ivy Bridge Core i5-3317U 1.7GHz dual-core processor, 11.6" 1366x768 LED-backlit LCD, 4GB RAM, 128GB flash storage, 802.11n wireless, Bluetooth 4.0, Facetime camera, Thunderbolt, and Mac OS X. A 1-year Apple warranty applies.