Its only a matter of time. I've heard what John Key has had to say on the matter and my money is on this coming in very soon. Its effectivly a done deal, you mark my words.
Sparky - Its only natural to want to whip some cream off the top when you're sitting on such fantastic gains..., just relax and enjoy some of it...after all if you can't enjoy some of the cream from time to time what's the point of it all :)
Moosie - The way I see it, due to the systemic banking issues thrown up by the GFC the developed world as a whole is locked into a low interest low growth, low inflation path for many, many years to come.