The Film Photography Project has a bunch of new films available for the Fall. One is a low ISO slide film (ISO 0.8!) that can be processed in the usual B&W chemistry to give a positive image, or slide.
BW Super Positive Slide Film is available at FPP in 35mm format for just under $8 a roll, get it at their online store.
They have plenty of other film stocks available, and if you are interested in Regular 8mm movie film, they have some of that too!
