Discussing this particular query with other half last week.
I was torn.
Ah - to fly - what an amazing power. See the world, and get there fast. Free as a bird.
Oh but - to be able to talk any foreign language, how cool, how mind opening, How social!?
But then....and this was a real temptation for me, the ability to travel through time. To see history unfold. To learn so much. To experience what we only read about.