Tri-X is reversal and can be projected. Vision 3 50D is negative film. I'm working on having Fotokem print Vision 3 50D. First results weren't as awesome as I'd hoped, but I'm not giving up:
This is reversal film for projection, yes? I just had my (there was a url link here which no longer exists) processed and split at www.yalefilmandvideo.com. So I'm in the market for more film.