nos vs repop's

i was looking thru some of the stuff that a buddy has and we were discussing nos vs repop. part in discussion is the fender penta star, 2785540. he says that the bill rollick is just as good for 12.00 as one he was looking at on ebay for 95.00. this is only 1 part we were discussing. he has a list of different part numbers. but what is the general thoughts?