I don't have a true Ultrabook but I do have a Sony Vaio Z with a 13.3" 1920x1080 screen in it. I run it full resolution in Windows 7, with everything scaled down to standard size. Is everything very small? Yes. But when I'm sitting in front of it it's not much different than being a couple feet from a monitor and it truly gives me usable space. It's my travel machine as I am on the road a lot, and since I've had it coding in a hotel room is finally productive for me.