Hi Joseph,
The foreign interest should be extremely high in Millennium chips from New Zealand, be it Auckland or Christchurch casinos. The reason being is that it was the first country to see in a new Millennium not just a New Century,as they are 3 hours ahead of Australia. Don't you think it would be nice to have a chip from the first country to see in a new year.
As for the Reef casino in Cairns it is only one of 3 casinos in Australia to release a Millennium chip.