This might be the best airline meal and drink service I have ever experienced, check this out from the Air NZ website:
Long-haul Economy
Our Economy cabins are designed to make long-haul international travel a more enjoyable experience.
Our friendly, professional crew will make sure you're comfortable throughout your journey. You'll appreciate the generous personal space and ergonomically designed seats.
The style of food and beverage is modern and innovative, with an emphasis on New Zealand flavours. For those with special dietary needs, a full range of 22 special meal options is also available, so long as we are advised of your specific request at least 24 hours before departure. We also offer a wide selection of complimentary beverages including quality New Zealand and Australian wines to accompany your meal.
In Economy you have a wide range of on-demand entertainment options at your seat. Your very own 8.4" screen and in-seat remote ensure you control the action, choosing what you watch and when. Find out more about our new on-demand in-flight entertainment.
Need a little distraction for the kids? Our specially designed kids packs feature Buzz and Poppy and the Air New Zealand Gang, including Zed K the Kiwi, Tamati the Tuatara and Phoebe the Fantail. Full of fun, these packs can keep the kids entertained for hours.
Complimentary wine!
Sounds like this will be a very nice flight, made easy by the accommodating hospitality.