As noted above, I went with Wisdom Audio Speakers. The fronts are L75s, which are line arrays using a planar magnetic ribbon. The four surrounds are P38is. All of the speakers are bi-amped and require an external DSP that Wisdom provides (for money). The first picture is one of the four P38is. The following pictures are of the rear drivers for the JL IWS sub-woofers. You don't install the drivers until the end of construction. After that, you can see the inverted L75i where the 48" ribbon is on the bottom and the four woofer bass module is on top. The center speaker is also an L75i, it just happened to be covered the GOM FR701 by the time I took the pictures. I didn't want the ribbons to reflect light back through the screen. You can see the front subs (JL fathom F!13s) behind the L75is. The L75is are mounted in the boxes you saw earlier. The boxes are mounted in the screen wall. You can also see that the screen section of the screen wall is recessed about 9". The sides of the recess are covered with Stewart Filmscreen's Velux, which is the exact material used to cover there frames. The frame is a square tubular frame from Stewart and is mounted in the opening. The light from the flash makes the materials look different, but in reality, they look seamless.
The screen is a 141" ST130 microperf. This was another one of those really stressful decisions for me. From the info on the forum, I was very concerned about using a microperf screen. I love audio, I love video, it just seemed like a huge compromise. Plus, I could never find a good sample of the Stewart microperf, and if I did, it was with a subpar projector or audio setup. Once I heard the L75is, I new that was the speaker I had to have. The L and R from speakers are not behind the screen, so it was just the center behind the screen. The Wisdom Audio folks highly encouraged me to go this way. Dennis would have shot me, if I had not went with the microperf and the center behind the screeen. So on faith, I went where many have said is AV h*ll. In short, it works unbelievably well. I wish I had all of my lost sleep back. The picture with the Sony 1000ES is awesome. What I did notice when I played with my RS1, was that the pixels on a large screen were much more of a problem than the holes would ever be. I wonder if people are seeing pixel texture and thinking it is the holes. I sit very close, 12' back from the 141" wide screen. The RS1 showed pixillation, the 4K is perfect. I can't say enough about what a great screen the ST130 microperf is. My old screen was a non-perf ST130. If there is much of a difference, you would really have to AB them in the same room.
The big lesson, having the voice come from behind the screen is awesome and there is no real video hit from my perspective, and I'm picky. The DSP fixed the slight roll-off above 11K, and the sound is awesome. DON'T FEAR THE MICROPERF FROM STEWART (this one was for you Dennis, thanks for being so stubborn.)
Here is a sound isolation door that Steve Kajula, who works with Dennis built. Great build quality. It weighs close to 250-300 pounds. I don't have the seals, which came with it installed yet, due to some final painting, etc. The door is a laminated 1 3/4" door with an MDF facade that matches the other doors in the house. Well done Steve. He is an awesome dude - more on that later.