The problem of the interface between us and computers is a long way from being solved - remember the old Star Trek scene where Scotty picked up a mouse and tried to use it as a microphone?
I have Dragon and it works pretty well but it has two important limitations - one is background noise interfering, and the other is the noise I make dictating to it. OK when I am on my own but....
I have an Asus Transformer but don't use it in the house much - away from home it's great, especially since I don't have a smart phone. It's doubles up as a sat-nav too.
I do find myself occasionally trying to swipe things on my wife's laptop though.