Originally Posted by holeraw
What non-official software would that be?
I don't think there's much that a tablet can't do that there's not an official app for it already, and they are always very cheap. Other than that, I understand jailbreaking is easy and apparently legal too (though it might void the warranty) so you can get non official stuff on the iPad as well.
If you like tweaking the os then Android isn't a good choice either. I think you won't find much openness in a tablet yet unless you go for one that runs windows.