Help! 8.5" Celing, 11 ft from screen, 13 ft width room. What screen?

Will be watching this thread as I have the exact situation and I'm going in the same direction. My room is the same size, distance to the screen the same, my current screen the same size but the only difference is that I have a JVC RS45 projector. My current screen is a Grandview manual and like you will upgrade to a larger screen from 100 "to 120", likely somewhere in the middle.

I view a lot of 3D content and I am a little disappointed with the brightness in 3D only, 2D is fantastic . I would like to purchase a screen that though bigger by 20% would yield the same level of brightness
with a higher gain screen. If this is possible, please advise the screen

If you feel I am hijacking your thread I will move to another post. It just looks as though we are on the same mission here.

I have a similar set-up, ceiling mounted projector is 13 feet from a homemade screen. I am looking to upgrade.
Elite sent me a sample of their Airbright 5D by mistake but I tried it anyway.
Super bright in the center of the screen but if hung at the left edge and I sit even with the right edge of the screen it
was totally dark.
So beware of high gain angular reflective material when having a set-up like we have.

Elite is sending more samples of some other material for me to try. When I look at them I'll post back here.

td

I also have similar room dimensions and am trying to figure out screen size. Are your screen measurements diagonal or width? And what's your post-calibration lumen output? What are your seating distances? You may find this thread helpful:

http://www.avsforum.com/t/1004723/chart-distance-x-screen-size-standards-smpte-and-thx