Cory Doctorow's first book, Down and Out in the Magic Kingdom, is about a society in which everyone is pretty much immortal thanks to brain back up technology.

Cory Doctorow's first book, Down and Out in the Magic Kingdom, is about a society in which everyone is pretty much immortal thanks to brain back up technology. I would definitely add him to the list. Also: Hannu Rajaniemi - author of The Quantum Thief