We went the the AVN show in Vegas in January (2012) and attended the ANE (The toy show) while there too. We had a blast, saw lots of new toys, bought one that isn't available for sale in the US yet! The kicker to the ANE though is that it was only open to "industry members", meaning you have to have an established business in the porn industry. Luckily, a "sex blog" counts, since we own the site!
I would assume most of the toy manufacturing expos are the same, industry only. Mainly because a large majority of the booths are distributors that deal with the companies, not the consumers.
I came home with a bag full of samples, 5 cans of spray lube, 3 toys (in hand), and 2 toys on order, including the cordless Fairy Wand (if it ever shows up from Japan)!