For sale, brand new super low profile XPS Ultrabook (same size as a macbook air). http://www.dell.com/us/p/xps-13-l321x-mlk/pd with specs as described in the link. $1200 new. selling for $850. I'm a Stanford grad student. Bought this computer a couple months ago, but changing to mac so wont need it. Very slim sleek beautiful computer. Runs windows 7. Still have original packaging and can provide proof of purchase.