Apple Store has the
refurbished Macbook Air 11" 64GB SSD Notebook MC968LL/A (Summer 2011) for
$759 with free shipping. Features Mac OS X 10.7 Lion, Sandy Bridge processor, a single Thunderbolt port and backlit keyboard.
Best Buy has it new for
$840 with free shipping.
Intel Core i5 Dual Core 1.6GHz, 2GB DDR3, 64GB flash storage
Intel HD 3000 graphics, 5 hour battery, Mac OS X 10.7 Lion
64GB is the suck. I got an Acer 11" 1830T with i7 CPU, 8GB RAM and 256GB Samsung SSD for less than this. Of course, it's not as pretty and does not (easily) run MacOS, so it's not a viable option of those two attributes are of importance to you.