"They could just get the A343 and have 1 engine in the whole fleet."
Wrong. Air New Zealand's A320s have IAE V2500s, which obviously clash with the hairdrying CFM's that power the A340-300. So, that wouldn't work.
I hope they go with the 777-200ER, as it will look better in NZ
's color scheme
, but whichever aircraft helps NZ
roll in the cash, I'll be content with