Harvey Norman will sell off its remaining 4800 tablets for $98 (16GB) and $148 (32GB) respectively starting at 2pm AEST.

Read more: http://www.news.com.au/technology/tablets/harvey-norman-has-98-fire-sale-for-hp-touchpads/story-fn6vigfp-1226119706176#ixzz1VjV5Vz7v
The thing is these are very much 'as is where is', HP has said there will be no ongoing support at all. 

Still, you never know, I super hard core developer community may spring up. And it is cheap.

A quick Google didn't bring up any NZ retailers, anybody know of any?