I've just noticed that Air NZ have slashed the airpoints you earn --
2 years ago I earned 230 airpoints to the US. But, I'm only earning 60 airpoints for my next trip (fare price about the same).
It is quite a big drop, I'd certainly have reconsidered flying Air NZ had I known at the time.
Looks like my next trip to Christchurch will not be airpoints after all.