Manipulation of the time space continum my fav
Invisibility is essential to me but then Healing people is also an idea but which is better.
There's only one way to find out, FIGHT!!!!
to speak any language now or historical.......this would also give me the ability to get a taxi in my home town...
read other's mind
I like the idea of being able to turn gravity on and off :)
to heal everyone pain especially heart pain...:)
The power to clone myself. Though that could get out of hand, it'd be very helpful!
I think I would like to see things (by naked eye) at a sub-atomic level.