Use the search (top right) for nz cause there's been heaps of threads on it lately..
We go to Mt Hutt as I live about an hour away from it and it's pretty good.. however closest place to it is Methven which is small and not a lot to do really.
I LOVE queenstown.. and i don't believe queenstown can disapoint! I love it! Only went snowboarding there my first time so I can't really comment on the slopes.. but my bf reckons they're really great! (cant remember which one he prefers.. but one caters more to beginners apparently..)