Fantastic read Trevor, I'm glad you brought it back to the top of the forum so I could read it. Personally my room acoustics are the worst so i'm not ready to completely go down that setup path. An SPL meter and my distance meter works ok for now, while lazily sitting in my listening position. Your read is a fun way to really dialing in a setup! When I setup my home theater I will be referencing this.

Lots of speakers from many
manufactures...mostly Axiom