When I see a list of gear, I always hope that more description is included to describe the components better.

Seem to have read pure diffusers in the back of the room would be better. Not sure they do anything much in the front.  Diffusers to be done correctly need to be lavishly applied to walls, otherwise they don't really do much except benefit who's selling them to you in such a small scale.

Don't know if I like the sub in the corner, maybe a second one since it looks kind of small.

Love the wall color, always tough to decide on wall color