Interesting idea. Not completely sold on the idea, and the UI for their OS seems interesting but I’m not sure how well it’d handle my current work process.
Also, I haven’t seen much in the way of serious data entry in touch interfaces. I assume we’ll probably be using keyboard for that for quite some time, and desktop devices will have keyboards hooked up when an on-screen keyboard won’t do the job. Using my iPhone, I can see the appeal of passive data consumption and basic interaction with data and files, but other than posting to Twitter or making a short note for myself, I don’t think I would want to do much typing. I can’t imagine trying to write a program or make a website using a touch screen.