Very atmospheric. Seeing the play performed how it...

Very atmospheric. Seeing the play performed how it was originally makes a huge difference - the nuances that were theoretical discussions at GCCE are real and understandable in the flesh.
Practically, decide if you want to stand for 3 hours in whatever the weather throws at you (and frankly a hot sunny day is sunburn central) or get a seat. The size of the theatre is deceptive - it has a capacity of 3000 but doesn't look that big. Most seats have clear views of the stage