So the RBE doesn't come into play when you are watching a movie in 3D?
If you go LCD then the 8350 would be more than enough to handle the 100" screen at your distance. If you are exchanging the projector for another 3D LCD for the cheap than i would think the 3010 would be next option.
My DVD Collection
HOME THEATER: Sony 40ES 3D Projector, 106", Samsung 51" 3D Plasma, Marantz sr7010 in 5.2.4 Atmos/DTS:X