Audio Clubs in the Area?

I am curious whether other people out there have clubs in their area where they participate with others and have an opportunity to listen to their set-ups. I think it would be very interesting to hear other peoples' systems as almost everyone chooses different equipment. I live in Chicago and am curious whether there are audio clubs where people have a chance to meet and listen to each others' systems. Maybe some of you out there already participate in these organizations and know how to tap in to these social groups. Please let me know if any of you live in Chicago and know of any clubs / organizations dedicated to audio. From the little time I have spent in local dealers showrooms, I have never become aware of any such organizations.