"Note: I too, will not comment further the merits of audio shows. This is just an account of my personal experience. If someone else wants to weigh in, great ... but that's it for me. "
I understand what you're saying, but you can still get a lot out of a show regardless. First, you can never listen to too much gear, especially if you're new. That's good listening experience, and you'll use it moving forward. Second, most companies offer a range of components at different price points. For example, if you're really impressed with a 5k speaker you hear at a show, there's a good chance the company will offer less expensive models that you can demo at a dealer.