Carol and I are booked to fly to NZ South island leaving Melbourne 25th Sep for 2 weeks. Gift to Carol for her septuagenarian achievement. We will be touring in a campervan. Our recent OS experience is limited to trips to Tassie so need to ask a few questions. 1. Believe that our driving licence is OK and that road rules are much the same as ours. 2. Believe that no passport or visa is required? 3. Will our phones work OK? 4. Does master card do the trick? 5. Should we get some NZ currency before we go? 6. Is NZ 240V with same plug? 7. What are the 'must see' places ? 8. Anything else you can advise?