What's the best umpc?(ultra mobile pc)?

I'm trying to save up for an ultra mobile pc for college and i wanted to know which one i should be saving towards. At the moment i've been eyeing the OQO 02 and the Sony VAIO UX390. I saw Samsung's Q1 Ultra but it looks a bit too slow on the processing power. At this point i want to know about any alternatives before i make up my mind. Factors i want you to think about Processing Power, Size (smaller than a normal laptop but i don't want any lower than a 5 inch screen) and looks (does it look glossy and cly or is it matte like and boring). If there aren't any better alternatives point me in the direction of the better one. I heard the Sony VAIO UX390 performed better but it looks more drab than the OQO 02 and the screen doesn't look quite as bright. Would the Sony be the better call? Does the extra processing power make a big enough difference?