I know there are a few people that would love to get their hands on bunches, including me, but once that happens we won't need won't need many more. That's not to say people won't buy them on and off especially if a new one comes out.
A suggestion would be to let every one know that IWM is going to have a sale, much like the archive special return, on all protos. Say, tell every one that in 1-2 months, to coincide with the WoR book coming out or something like that they will all be unarchived for 1 month.
There are 600+ people that are members on this site and i know more are lurkers. If they were to find out you guys were having a big " sale " then people may order enough to make it profitable.
Not that I'm a captain of industry or anything so I'm not really in the know with economics and i also understand that space is at a premium at the plant.To me it sounds reasonable, but i do come at it from a consumer point of view.