Do you enjoy the sound at your local Theater Plex?

Good venues use Meyer Sound arrays including movie theatres.
Bryston also does amplification for large movie theatres, but less known to be used widely.

The Breeze and The Ride cinemas using Meyer Sound.
Bryston isn't used in US, but probably has some info on theatres equipped with Bryston sound. They demoed their huge cube-like multi-channel poweramp for commercial cinema setups.

yo'all watchin' very loud movies with guns and bombs and toobadoombadam pif-paf vroomvroom xbox ps3 typ'o stuff. there are different movies that sound better and more quiet, but they're not made in hollywood and perhaps not of interest of an average viewer barely possessing high-school diploma.