Just read this thread... what a great debate.
While I was trained and still work as a commercial photographer, digitally, my recent experience has been heavily in the Fine Art side of things. In my area, and in my experience, there is very definitely a difference in Film vs Digital.
While there are exceptions, generally speaking people who are looking for "Art" - especially collectors - prefer photographs that have the artists fingerprints all over it (metaphorically speaking). So this means film and/or wet developing of the print. Personally speaking I just bought a cyanotype print this past weekend, and a few months ago a Fuji FP100 print (Fuji's peel apart product) because these are, by their very nature, unique and limited. People buying 'art' want something that distinguishes their often expensive purchase from a poster.
Unfortunately, digitally produced photographic 'art' is now competing with posters in the market place whether we like it or not. What has been true for a number of years now is that mechanically produced mass volume printing on a good printing press can equal the quality, for the fraction of the cost, of 'one off' prints produced by a photographer. Combine this cost advantage with photographers (some of whom are very good photographers) who are happy to license their images to poster printers - and you have buyers who have a hard time justifying spending good money on photographic fine art when they can buy something that - to their eyes - is just as good for a fraction of the price. For the most part these purchasers of photographic art are looking for something to decorate with, and the photographers selling their images to these buyers are selling decoration for the most part ... IMHO, of course.
There are, of course, digital photographers, who are exceptions to the above scenario. They work conceptually, or in themes. They work hard to build a body of work that is unique to them, and to build an awareness in the marketplace about their unique vision. For these photographers it is the content of their images that distinguishes the images from the mass market, not the media they use. The challenge for them is that someone will start mimicking their 'look and vision', and start to sell these new images as posters. But that is a different discussion, I suppose.
Anyway, just my 2¢ contribution to a very interesting discussion.