I think that BIN was fair.
It has 9 days left to run. So I would be surprised if it doesn't exceed the BIN in that time.
Sometimes, for the sake of a small [potential] saving you're better off paying the asking price.
Decide what size you need and what year you want (they all differ slightly).
When one comes up: Just buy it.
IMO, of course.
Having said that, it won't make you better on the trails or better in the sack - There will be another one for sale sometime - They're just grey Konas.