Turns out that a lot – and I mean a lot – of the interface elements on Windows are simply too small once you put them on a 10.1″ screen to be easily controlled. They’re too close together to avoid accidental taps; back buttons are too close to home buttons, the close/minimise/expand window widgets that you’re so used to are just a finger smudge apart, and it turns into a vicious game in which you have to plan your angle of attack if you’re going to hit the button you want.
Worse comes, though, when you try to do things like browsing and emailing – the two processes that we take as the essentials of most tablet use, or at least of basic Windows functionality.
Windows 7 and tablets just don’t go together. That’s why Apple didn’t simply mash its Mac OS X into the iPad.