If this format is so great why is it not used? Why did they change?
Meh, I can do without Samuel L Jackson who only knows how to act one way (perhaps it is the director's fault for only allowing him to deliver his lines over the top).
Reportedly Tarantino is refitting 50ish theaters to play the film for the 70mm run. This is no small challenge since the equipment is quite old and the number of people who are still alive that can rebuild or operate it is pretty small.