My concern, especially for EDC Vegas is my ability to make it for those days (as in the constant dancing, standing, walking around). I imagine I would get worn out by the first day.
Ultra is on my list of events I want to go to. I also would love to get to EDC Vegas one year.
The closest I've come to any kind of "Festival" event was Life in Color/Day Glow in DC. 2013, they had 2 stages going, a bunch of stuff to do, and sooo…