Some of it didn't look too bad - the white panels if they are lined up at the same height and size. Even on the ceiling if it blends with the white on the ceiling.

And, yeah only do as much as will look okay. Like someone said - it will sound terrible if you can't stand to look at the room.

If I was an AV reviewer??? I might do some of it if my wife had her own area of the house. Then I could tell people exactly what they would never get to hear.

M22s, QS4s, M2 center, Hsu stf-1.