NZ Things

Nielsen//NetRatings are the major website monitoring agency in NZ and you pay dearly for the right to be in their system. However by doing so you then have access to major advertisers and their $$$.
They’ve just published their Top Travel Sites list:

Air New Zealand
XtraMSN Travel
NZ Tourism Online
Jasons
Surf Guide
Wellington NZ.com
AA Travel
Interislander Ferries
The official […]

DMOZ (aka the Open Directory Project) is a directory of websites and includes detailed NZ listings.
Key points to start include

the main New Zealand page.
Auckland
Rotorua
Queenstown
Tourism

And here’s another directory if you are interested in NZ Property Investment.