I'm thinking the two electron B&W would be the most likely to see production. That is a product I would be interested to use & I think would have commercial viability.
The 25,000 ISO film is the one that has intrigued me since you first mentioned it a while back. I think you said it is also fine grain? I'm not sure what the narket for it would be, but that is a film I would love to play with.