I don't see a demand for a ti track bike or one with carbon stays. Carbon stays are a gimmick anyway....I would avoid that for all models.

I think a ti ss/fg frame with road geometry would sell, but it probably wouldn't sell as fast as the Moto track pro. People with interest in titanium tend to be older people with more $$ and more interest in buying something that is comfortable and long-lasting. Fixed gears and singlespeeds are the domain of younger people with less cash and more interest in fashion. They are not interested in buying bikes that they can ride for the rest of their active lives. There are exceptions of course, but not many. As I get older, I find my self more and more enticed by ti and I will probably buy a ti frame for my next road bike, but I have no interest in a ti track bike. All I want out of a track bike is something that is light, aero, stiff, and quick, that I can stand up and hammer on relentlessly. A cheap aluminum frame is perfect for that. I don't see the point of paying the extra for ti.