Is New Zealand that great to ski?
When I was in Queenstown in summer, I asked lots of questions to locals about skiing.
They asked where I was from: California - and then they gushed about Tahoe for minutes. And then 'why would you come here?' in winter. Squaw anyone?
The heli-skiing looks incredible near the NZ Alps Crest. I day heli-hiked Franz Josef glacier, but otherwise, it looks just OK. I para-glided off one of the ski areas in Queenstown into the valley - the skiing looks totally miss-able.
The summer attractions of NZ/Australia outweigh winter skiing. Sydney - with the best features of LA/SF & a little New Orleans - is like the best city ever. And the South Island of New Zealand is incredible - wine country of Marlborough (wine is free, gourmet food is like 70s CA prices), the fjords, and Queenstown activites --- so much better enjoyed in the summer.
Yes, you can ski New Zealand, but I would not.