Just updated my virtual system

Nice! How do you like the diffusors behind your speakers? A well thought out plan.

I like them a great deal.  I plan to add more to the sides, and replace the soffit traps (big burgundy) with corner traps with diffusor panels in front of them.   While the absoprtion has smoothed out the bass and lets me hear the recording it's sounding too antiseptic.  It sounds like I'm wearing headphones instead of listening to a stereo system so I'll gradually shift over.

Because I'm doing a combined HT/music system though I do wonder if the HT part likes a dryer sounding room than music.

Definitely a balancing act with HT/2 channel in same room. You’re right about HT favoring a bit more absorption. Really helps with dialog and separation when thinks get busy in all channels. But it can be done, and done quite well. Listening to a well treated room at first is completely different experience and takes a while to get used to. But once you start hearing those bass notes, texture, seperation, and details it is hard to go back. But play around with the treatment and see what you like. Each room is very unique. What works in one may not work in another. I think acoustics is almost as fun as the electronics.