Laptop (buy a new one, or will my netbook be enough?)
Hair straighteners (unless mum wants them too much).
Fuzzy and sheepie :P.
A few tv shows on dvd.
Make a New Zealand album - a book with photos of my town, my life, and typical NZ things.
Kiwi music, tv shows or movies on dvd etc.
Clear files with lesson ideas.
Teaching and language learning textbooks.
Supplements; iron pills and fibre (research tells me supplementss are very expensive in Japan).
Kiwi food! Gingernuts, reduced cream and onion soup.
Yearly supply of contacts (just one less thing to think about) and two pairs of glasses.
Food; manuka honey, kiwifruit chocolate.
Wine from duty free?
Clay/porcelain decorations (very popular here and there are some lovely ones in gift shops).
Books about NZ? (Very heavy to take!)