I don't really know what will happen. But since tweedle dee and tweedle dum bought them at that price, I feared the third wouldn't last long and you wouldn't see too many BINs at that price, at least for a while. I suppose that makes me tweedle dumber but for a bit, that should probably set the minimum BIN sellers will go with, since three of us were silly enough.
I think 2004 pieces is an awfully small toy run. Toy Fair Vader was in the neighbourhood of 10, 000 and it seems to have settled at a fairly hefty price. Granted, it's a basic figure and a Vader, both giving it greater popularity than a Kubrick, but....