so i finally mounted the screen and had a chance to test it out. Source was from Xbox 360 or an Acer media pc, all hdmi via my Onkyo 807 to an Epson 8350. Epson was on natural mode in normal brightness.
My general thoughts, the screen is awesome, absolutely no texturing at all (see my closeup pics). Even when I'm 2" inches in front of the screen, it looks absolutely white, it's that uniform.
The off axis response is amazing, I can literally put my head up against the wall and look across the screen and still get almost the same brightness.
Because of the uniform light distribution (lambtian surface ?) it is sensitive to ambient light, so this would only work in a light controlled room. During the day with only little ambient light, the picture quality does suffer.
I would whole heartly recommend this for those in a light controlled room looking for a uniform response.
I would recommend gray/silver screens to those that have ambient light in their rooms and want better blacks, and would only recommend high gain screens 1.8+ IF ambient light is even stronger/cannot be controlled AND projector and seating position is very close together.
Here are my pics taken with a Fuji F30, no flash on tripod on aperature priority mode:
Picture on wall, zoomed out.
Picture on screen, zoomed out.
F2.83 @1/14s (notice I'm almost a full stop away from above, picture contrast is a lot better too)
Picture on wall, zoomed in.
Picture on screen, zoomed in.
F3.73 @1/11s (almost 1.5 stops brighter than wall)
Picture on screen, 60 degrees off axis.
75degrees off axis.
screen material closeup
another screen material closeup
my home theatre shot during the day with a lot of ambient light