If you're looking for product unveiling, skip it. Manufacturers in this industry don't seem to get the idea of presenting new products at big industry shows and release whenever it's ready. Not that that's a bad thing, but it's definitely not how plenty of other industries do things.
Take a look at the site, see if any of the seminars are of use to you. It's a great place to experience a wide variety of topics all in a few days. It's worth going at least once, then you can see if it's relevant to your needs for future trips. I used to only go to the Vegas show (I live in Oregon) because it was relatively nearby. Now that I report on it for our site, I go every year. I definitely get the value out of it, but it's definitely not for everybody every year.