Hmm... How about the uncanny ability to play the Wii without using a wiimote? That would be kick ass! Just using simple handmotions combined with thought... and maybe some good games besides Zelda and WarioWare..
I want the power to send people letter bombs via Email, so there computers will suddenly blow up as soon as there open their mail
I would be able to stab people in the face through their monitor via the internet. "Just try to buy a jeep again. I dare you."
The power to be late for class: Not by alot, just enough time for the teacher to just about to start teaching; then you come in and WHAM, since the teacher wasn't doing anything any way nothing can be done BUT you are still late :D