Sorry to inject a bit of pessimism into this thread, but... I think spillover to film is short-term wishful thinking. People who start in digital are indeed interested in exploring more unique print methods and film and so forth, but they are going to be financially clobbered when they do so. Most people who are shooting film now are doing so because they already know the value of the end product. It's not a very good medium for widespread amateur exploration- the overall price is too high, unfortunately.
A lot of film *gear* is very inexpensive (notwithstanding the disappointing price of the new 6x7 folder), but film itself is not, and it's not like someone can just pick up a film camera and start shooting away and getting optimal results; there is a learning curve that most digital users have neither the patience nor the time to embark upon. What I see (on certain other forums) is more interest in film emulation and perhaps hybrid techniques, but little or no interest in actually acquiring film gear and film itself. I know plenty of students who like film and like the idea of doing something with it, but when it comes down to actually ordering product.... the only folks actually plunking down big bucks on film are those who already use it.
I don't mean to make it sound like gloom and doom... actually I am very positive about film as an ongoing, intrinsically unique medium, I just don't see any significant numbers of people peeling away from digital to get seriously into film in a way that would affect the market. I know some digital folks who've bought oldie cameras just as shelf pieces and that kind of thing, but it's nto like somnebody who shoots several thousand frames on digital is then going to transfer over to film and shoot thousands of frames of film.
Film will continue to be used by an astute minority for many, many years to come; also, the value of film-derived art will rise very strongly. Especially MF and LF art. That is what we have to remember. Its not about how many people shoot film. It never was. This idea of everybody and their kid having an SLR and uploading masterpieces and finding fame and fortune on the net is a uniquely digital pipedream.
I promise that my next post will be more optimistic