Have you heard it yet? It's pretty good, at least that's my first impression.
It's Jack White & Alicia Keys - called Another Way To Die. Check out the video here.
My only gripe is that it's a collaboration of two artists who have never worked together before - that seems to me like an admittance that (a) there are no stars out there big enough to carry this off on their own and (b) the very nature of a Bond song requires a gimmick to make it newsworthy, rather than just being a good song for a good movie. Anyway, it is a good track.