Scott, I have moved the monitors to where they are now 3 feet to my left and right on shelves, but with the size and shape of the room they are always going to be under that slanted ceiling. The whole room is slanted ceiling.
I was experimenting with the gobos tonight. I did something as simple as staple a moving pad to the side that will be facing the singer standing behind it. Then I ran some music through my monitors and watched how high the lights on the mixer VU meters went with the mic sitting where it will sit. I pushed the volume until the VUs showed 2 lights. Then I wrangled the best into position and played the same passage at the same level and the mixer did not show any lights, so the isolation factor is there. THAT part is cool.
The room itself is not THAT echoic, but I am going for totally dead so I have control over any reverberation via the digital reverbs. I don't plan to ever record "full band". I have never done it that way. I have recorded live takes like that as a reference track, then had one player at a time record their parts alone on other tracks. I just never had the luxury of 5 or 6 isolation rooms.
My goal with the gobos is as much isolation as room deadening. I want my singer in an area where nothing will get to that mic but the voice. Headphone extension will be run soon and there will be a headphone jack in the area where my singer will be. And that place is in front of a closet with the closet door open 90 degrees to form the left wall, the doors with the pads on it forming the front and right. I was quite happy with the levels I got (more accurately DIDN'T get) in my testing. We'll see how it goes when I can actually use it during the week, but in my "one step at a time because this is after all my hobby" mode, it will all get done in a logical order. Windows, drywall repairs, paint, lighting... Actually fun to be involved with this stuff again!!
And SO MUCH good advice to take and run with in the research phase. Love this place!!!!