MegaMacs offers the refurbished 2.4-lb. Apple MacBook Air Intel Core i5 1.6GHz 11.6" LED-Backlit Laptop, model no. MC968LL/A, for $379.99 plus around $21 for shipping. That's $20 below our mention from last month and the lowest total price we've seen. (It's a current low for a refurb by $9.) It includes an Intel Core i5-2467M Sandy Bridge 1.6GHz 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 Lion. (No optical drive is included.) Deal ends September 23.

A 30-day MegaMacs warranty applies.