Roger Waters is doing the 30th Anniversary Tour of THE WALL, and it IS the greatest rock theatrical spectacle EVER.
Musically it's up to choice, but visually it's #1.
The Opening
http://www.youtube.com/watch?v=bqBHo04-780
Part of the Second Act after the Wall is built.
http://www.youtube.com/watch?v=JHk40vfpWIE