As one of its daily deals, Newegg offers the refurbished 2.4-lb. Apple MacBook Air Intel Core i5 1.6GHz 11.6" Laptop, model no. MC968LL/A, for $309.99 with free shipping. That's $49 below our refurb mention from two days ago and the lowest total price we've seen for this model. (It's the best deal for a refurb now by $40.) It includes an Intel Core i5-2467M 1.6GHz Sandy Bridge dual-core processor, 11.6" 1366x768 LED-backlit LCD, 2GB RAM, 64GB SSD, AirPort Extreme (802.11n wireless), Bluetooth 4.0, Facetime camera, USB, Thunderbolt, and Mac OS X 10.7 Mountain Lion. (No optical drive is included.) Deal ends today.
Note: A 90-day warranty is included, but it's unclear who backs it.