I'd run around in a black leather white mage robe, doing some white-magery, silly.

Really, though, I'd solve my mother's health problems, hit a bunch of children's hospitals, then hit the road and revive all the needlessly killed Iraqis and go rescue the victims of human trafficing.
And prolly have a lot of pain pills; you said nothing about not feeling pain, and I could imagine dying hurting.
You know, I'd love to see what would happen if I requested donations of lottery tickets...