I have not gone to any of them, but they are cross country and I'm not that motivated to spend the cash just for that.

OTOH, I was there in spirit for (i think) the 20th in 2012, because they opened the time capsule we set up. I had put in a box of Twinkees, saying they'd still be good to eat in 20 years. It got posted up on the FB page for it with people saying "Who's disgusting idea was this?" and you could see my name written on the box. One of my friends posted "It's got vlad's name all over it."