I don't expect the Primes that were there last weekend to stick around either. I really don't think that hardcore collectors (especially the mad MISB variety) are who these things are going to.
I actually misread the pricetag and that OP is $79 as you mentioned. If the box is mint, i'd pay as much as $50 for it without his trailer.
Maybe these will be bought by scalpers who then try to sell it for $150ea.
Recent Acquisitions:Missing Link Optimus, Bumblebee, Cliffjumper (Pre-)ordered:Missing Link Sunstreaker, Arcee Wants: Encore Headmasters!