This is a tough question I\'ve asked myself several times before, but I guess it all depends...
If you could fly, you\'d have to be able to fly really, really fast -- like, the speed of sound- kinda fast -- otherwise, it would be sorta lame having to spend all your time trying to get to where you\'re going. I\'d want to explore the world if I could fly, and to do that I don\'t want to be slow in the air.
So, if I could fly super fast, I\'d choose the ability to fly. Otherwise, I\'d go invisible.