@Flux:
Surely a curse. Watching all your loved ones grow old and die?
I don't see that as a curse.
I'd like to be immortal to help make a real change to the world and eventually lead or guide it with the knowledge I would obtain over time. In essence you could dominate certain areas of science to try and create and improve what we further know and understand about the universe. Just imagine what you could do with that time and collective of knowledge.
I dunno, I like the sound of Teleportation
It is tempting, but a bit lazy don't you think. The only appeal for me is that I could explore all the wonders of our planet and beyond. But still I'd be limited to a certain lifespan making it a little flawed in my view. Its also a selfish option in my opinion. I'd want to contribute more to humanity.
or ability to become invisible.
The whole invisible power is fucking dumb. Its either for people that are perverts or just plain boring. Seriously now, give me a good enough excuse to want a power like this.