It's purely because I've always wanted to see us make it to the stars and to go to alien planets myself.
You won't get past the Van Allen belt.
Another renegade Rat-Lord from the Master pond of scum.
I've tinkered with the idea of immortality at one point and I think that would be an amazing power to have, but I think after a certain point I wouldn't want to continue living.
If anything, I think I would go with teleportation. The ability to go anywhere I want whenever would make our bustling lives so much better.
Hard to chose between immortality and teleportation though.