Mike,
Has this training idea gone anywhere yet? I used to work for a consulting firm in Skokie, but of course, that's the NW suburbs, not the SW. They had a good training room, but not sure if they'd rent it out or not.
Have you considered GoToMeeting or something like it to run an Online training course? It might be more beneficial, it could be recorded and made available to attendees, and it could be built into the cost of the training. You would not need individual computers or a computer lab to do the training.
If someone else wrote the training material, I'd be willing to get up to speed on some of it and be one of the teachers for the classes in the beginner area. I've got about 5 years of training experience for IT products. I just need time to learn the topic I'd teach if I don't know it already.
I'd also be interested in attending some of the intermediate and advanced classes.