My bet is that the smaller cousin of the 787 is what you will see operating the domestic network come 2012-13
The A320 is not popular on the domestic network as the Cargo cans are to slow to load...
Probably a good bet
and if the 787 is as good as its hype suggests (will let you know when I get my grubby hands on one in 2010) then boeing will transfer the technology to a new single aisle 150-180 seat machine, as the 737-900 and ER versions are pushing the limits of what is effectively a 40 year old design.
Back to the present day, I cant see why Air NZ are struggling to load cargo cans....where I work we operate a shedload of 320's/321's and can easily turn them around in 40 minutes...with half the infrastructure Air NZ has at its disposal. I suspect the issue is having years of the same thing (B737) and just not liking a change.
Direct operating costs B733 vs A320-200
The A320 achieves a 7% - 9% saving depending on sector length and utilization.
Having said all of that, everytime you fly the Aerboos, it calls you a retard
so that cant be good