Yeah, really not a good sign. It's odd though, because it does seem like corsetry is becoming MORE popular rather than less. But I suppose overall sales are down for most of these supplies, considering the economy.
The best place I've found for millinery supplies so far is Hats by Leko http://www.hatsupply.com/
. Their shipping calculator is screwy so it looks like shipping is REALLY expensive if you're ordering buckram by the yard instead of the bolt (I think it counts each yard as a new bolt), but the actual shipping charges were not bad. They have the best prices on millinery wire that I can find online.