Asus is now selling UX31E-ESL8 ultrabook notebook for cheap now on Microsoft Store as-well-as on Amazon. This Asus ultrabook comes with Core i5 2467m processor which runs at modest 1.6GHz clock speed but is capable of automatically jumping to 2.3GHz under turbo boost mode. Rest of its specs are also pretty good. Also check out Asus K93SM review and specs.
You get 13.3 inch 1600 x 900 screen, Intel HD 3000 graphics, 128GB SSD and decent size battery capable of yielding 6.5 hours of battery runtime. It weighs mere 2.9 pounds – after all, the Asus UX31E-ESL8 is an ultrabook. You can buy for just 759 dollars from here (discount of over $200).