Earlier this week Dell announced it plans to offer its XPS 13 Ultrabook with a 1080p display -- a big improvement over the current 1,366 x 768 resolution. We got a chance to see it in person here at CES, and as you'd imagine it's much crisper than the panel on the original model. You might also notice the colors are a bit more stunning. Well, there's a reason for that: in addition to cranking the pixel density, Dell also increased the color gamut from 45 percent to 72 percent -- something the company didn't