MegaMacs offers the refurbished 3-lb. Apple MacBook Air Intel Core 2 Duo 1.6GHz 13.3" LED-Backlit Laptop, model no. MB003LL/A, for $459.99 plus around $17 for shipping. That's tied with our mention from last winter as the best price we've seen for a 13" Apple MacBook Air with this CPU. It includes an Intel Core 2 Duo 1.6GHz dual-core processor, 13.3" 1280x800 LED-backlit display, 2GB RAM, 80GB hard drive, 802.11n wireless, Bluetooth, iSight webcam, and Mac OS X 10.5 Leopard.
A 30-day MegaMacs warranty applies.