I have been going to Shows for quite a number of years, Dave. I can remember about 5-6 years ago in Atlanta (not IWF but the yearly spring show) that about all the vendors of major machinery showed.. PM.. Jet.. Delta.. Mini-max.. Laguna.. Felder.. etc. But.. that was 5 years ago.
Since... the manufacturers have been fewer and far between as why go to a show which cost them a great deal to transport.. set up.. tear down and return when everyone just buys on-line. It's jjust not cost effective for them anymore and especially so with the current economy.
And this isn't isolted to just the small, local shows. I saw a decrease in traffic at the International WW Show in Atlanta in August. In this case probably because of the economy as normally the big Shows in Atlanta and Las Vegas (alternate years so each has one every other year) see's manufacturers from all over the world.
But.. there was talk among them how % of traffic had decreased over the last couple of Major Shows and to the point a couple of big boys didn't even bother to come to that show. If the economy stays where it is at this point.. I expect to see more and more of that attitude in the coming years.
The small shows are fine for seeing and picking up small items as those vendors will usaully show up.. but don't expect to see a lot of major machine vendors as "the times are a changing" to coin a phrase from Bob Dylan.
Sarge..