In addition to that, the number of suppliers/sources is increasing. What's required is a good supplier that takes the time to vet his sources and attemp to sort out the good from the bad. Takes the time to examine and test some of this stuff rather than just sell it, so they really have to be as interested in this stuff as we are to make that effort. .
Two of them are right here on this site, Duke Theiroff with Saw Salvage, and Dave Smith with CCC. Not easy and a constant battle, but it's good to have these guys doing that leg work for all of us.