Sorry I missed your post here. I live in Auckland, though I'm not really active at the moment.
Re cores, anyone that's running a processor is worth asking. There is Ian at Reversal Cine in Auckland and the Archive guys in Wellington.
You may be already well aware of both. Either may help with processing or consumables if approached the right way. When I emailed Rebecca a couple months ago they were just begining to think about how to take outside work. I didn't have time to chase that up (say sorry from me on that). Ian seems really passionate but may not have a lot of resources. Anyone in Auckland should give him whatever help they can.
There will be a few people in Auckland with cans of old film. At least the black bags and cores will be ok.
I do have a few Arri 16mm collapsible cores I could sell, but I don't have enough 2" cores to really sell any.
If you are into S16, I may have other stuff that is interesting...
You can PM me for email and ph number.