I did GA and RZ for 360. GA inside the circle was way too crowded to move around so for the 2nd leg, did only RZ. There was nothing to prevent you from going into GA for either tour. For the last tour, we did 2 nights for RZ, but after seeing that RZ got in before GA, we decided to go directly to GA the 2nd night and got a rail spot in the middle (yes, I felt a bit guilty!) For both tours, a RZ line formed several hours before doors opened - for 360, best spots were along the rail, furthest away from the main stage (still on the catwalk, but had a better view of the main stage). As I'm a senior, I like a rail to lean on, so waited in line for that.
I went for seats this time. GA doesn't seem to have the barriers like previous tours to prevent everyone from crowding the main and B stages. And without a circle/ellipse, RZ is too far away. And, I'll be able to chill, have a nice dinner and walk in after the doors open without stressing about my spot. When they go back to arenas, I'll probably go back to GA, especially if they do it like I&E - that was a great set up.