Glorious. Believe the hype.
It's Raunchy humor, amazing circus acts and some moderate pseudo-nudity; but it is more than the sum of it's parts, and I don't just mean those parts. It takes place in a tiny tent and if something goes wrong someone in the audience is gonna get hurt pretty bad because it's all three inches from the front row (and often the aisles and second and third row as well.) This is really all you need to know.
Tips: Guy in front of the tent giving out 20 bucks off coupons. Awesome. Also apparently a locals discount of 20 bucks off. Excellent. Beer = $12 bucks! Boo. But it's Chimay! Well done.
I've read not to spring for the VIP seats, but I would argue as someone who didn't and got to the front of the regular queue, that they're probably worth it. This is one of the best and most intimate shows I've ever seen, and you'll only see it *new* once. Pay extra, you'll get close enough to the point they'll probably sweat on you. That came out a little gross. It's still awesome.
I would recommend this to everyone I know over every other show provided they can stand glorious filthy humor.