Both the teams are chokers and mostly fixers so u cannot expect the fairplay game,
if this two teams play any team comes low u can pick it because mostly this two teams play for themselves and trading
this is my personal calculation what i have done in my experience.
True, NZ did reach the T-20 world finals last time don't forget and lost to Aus but they are a good side and I don't think it's fair to call them that. Also you have to take into consideration that T-20s are very short unpredictable games and any team can win or lose and it depends on their performance on that day. The biggest problem I think for NZ is that they don't have good bowling support and their middle order batsman are not performing as well as they should have.