Last night I watched the wonderful documentry 'War Photographer' about James Nachtwey (which by the way I'm selling over in the marketplace section!) and it got me thinking. Correct me if I'm wrong but watching Mr. Nachtwey create all those amazing images over the years his preference seemed to be for the use of black & white film. What if someone with such a preference wanted to switch to using digital, surely it would mean converting each & every image in software such as PS? For someone like Mr. Nachtwey who shoots high numbers of documentry style images this would mean a great deal more work involved and I'm guessing (not having used b&w film) that the results wouldn't be nearly as great?
I know the 20D has a b&w mode & to be honest I haven't really used it, does it produce results comparible to b&w film? And if not do you think this is something that digital SLR's will be able to replicate in future models?

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