R3 Render
What does your framebuffer gamma setting end up being after you match
the grey pattern with the surrounding grey field? Don't assume that
your gamma is 2.2 without having them match at 2.2. If you can't get
them to match, try to turn the gamma correction in your video chain
(framebuffer, encoder, whatever) OFF, and if you can't do that, turn
off gamma correction in 3DS. The worst thing in the world to do is
gamma correct an image TWICE. You should definitely read the section
about gamma correction in the AUG that comes with r3.
Regarding the Boston forum, there won't be any tech support people there.
– G