Interested in replacing both your tablet and that clunky notebook with a svelte all-in-one portable? Intel might have just the gadget for you -- an Ivy Bridge Ultrabook with a built-in 13.3-inch 1600 x 900-pixel capacitive-touch LCD. We happened upon such a device in the bowels of Intel's gaming-centric CeBIT booth, and had a chance to go hands-on with the company's one and only (at this show, at least) reference design touchscreen Ultrabook. The device we saw appeared to be no lar