MOR
Your point's are well made. With respect to Air New Zealand operating with several cost models, I think this is indicative of the consolidation period needed to change from full service, to low cost (slightly different for the long haul operation where there will always be options). Eg the airpoints scheme is shortly to be brought into line. Could you please explain the difference between Express (domestic/Tasman) and the likes of Easyjet, Ryanair. The only difference I can see is in terms of fare conditions (although I'm not that familiar with the british airlines).
a Convair would be great fun
Why not go and fly one, I know that particular company would value your experience.