I used to go to that show once a year just to remind myself why I didn't go more often. Many years ago that show was worth going to but the last few years it's just over crowded, doesn't have much I'm interested in, the prices on things are out of sight. The isles are set up for good flow until a bunch of, uh, dealers stack their rifle sticking out in the isle so only one person can get through if no one stops and the lighting is dark. If you live in the area look for the one at the St, Charles Convention Center, I haven't been to that one in a long time but they tell me it's still good. There are shows in Belleville and Collinsville IL that I find are good. Collinsville I like especially. Neither of these are over crowded, the folks are friendly and polite, there's a great selection of guns and stuff, and the lighting is great. The only problem with the IL shows is you can't buy a handgun without going through a dealer in MO and long guns require a 24 hour wait.
That's my opinion anyway.
Haveing said all of that I may go to the machinists hall just for something to do ...... naw I'll go shooting with the grandson instead. LOL