Also depends on the desire of people to get that particular model of knife.
Prime example is the MPLE, when it was released and sold at a blade show, but no sight of it for a long while on the website (No criticism meant). Dan sold it at the show for $80 USD I believe? If you went to the secondary market, you saw it selling for anywhere between $120 up to one guy I saw selling them for $215 USD!!!! <img src="/ubbthreads/images/graemlins/crazy.gif" alt="" /> <img src="/ubbthreads/images/graemlins/ooo.gif" alt="" /> And he sold them all!
I'm not saying this will happen with all knives or with a large number of Dans' models; I'm merely saying that the demand for a product will have a large influence on what people will sell it for. Another prime example of this is the SS4; there's so few people willing to sell it (I'll never sell mine!), and so many people wanting one, pricing can go pretty steep on it.