And per-minute billing, and the ability to move between zones month to month ("Oh, Haswell zone just launched? I'll be moving there..."). It's night and day, an

And per-minute billing, and the ability to move between zones month to month ("Oh, Haswell zone just launched? I'll be moving there..."). It's night and day, and if I could, I'd happily take the other side of any RI deal ;). Disclosure: I work on Compute Engine.