I went to Magnolia to see the Stewart in person. They had a 130" perforated Firehwak. JVC X70 and U480 lens.
This was a total light control theater room. The blacks were good but didn't make you go WOW. Then when I put the Studiotek Sample, on the screen, blacks were pretty much gone, the image and detail, whites and colors popped. very nice but the blacks suffered. Now if this is in a dedicated theater, in my living room, it would be disasterous. You could totally see a big difference from 12 feet away. To my surprise, putting a Firehawk sample next to the firehawk perforated screen, from 12 feet away, no difference.
Then I went to the other room where they had a older version of the black diamond, and WOW. Maybe the colors were not as accurate (hard to tell since the screens were not side by side), but the blacks were kinda Kuro like. This room had a galss door next to the projector so it was't even fully dark.
So it seems to me that maybe BD in this case, for my living room would be a better choice. I know the screen has a hint of blue but I'm sure it can be calibrated out.
I guess Im used to my Kuro too much. I heard about hot spotting and sparkles. but I will put the projector (Jvc X55 or most likely Epson 5020) about 18 - 19 feet away from a 92" 16:9 so that should do the trick.
I yet have to see the new BD in person