CowBoom offers the refurbished 2.4-lb. Apple MacBook Air Intel Core i5 1.6GHz 11.6″ Widescreen Notebook, model no. MC968LL/A, for $749.99 with free shipping. That’s the lowest total price we’ve seen for any 11.6″ MacBook Air with a Core i5 CPU. (It’s also $205 under the lowest total price we could find for a new, factory-sealed unit.) It features an Intel Core i5 1.6GHz “Sandy Bridge” dual-core processor, 11.6″ 1366×768 LED-backlit display, 2GB RAM, 64GB SSD, AirPort Extreme (802.11n wireless), Bluetooth 4.0, Facetime camera, Thunderbolt port, and Mac OS X 10.7 Lion.

No warranty information is supplied.