[Edited by moderator Elite, 11/28/2012 4:24:23 PM]
If there's a lot of players from New Zealand, you could probably petition on their official forums for an increase of ping limit to 150ms. It's a lot easier than buying a server on New Zealand.
Good luck with this issue.
[Edited by LoopDaLoop, 10/24/2012 10:00:33 AM]