I know a couple of filmographers who resort to DSLRs in some situations. The limitations are numerous, but I reckon that by the next 2 model generations, most of the smaller problems will be dealt with.
The idea that a DSLR could be used for anything like pro filmography is a very powerful one, that everyone wants to work. I suppose that's why people are so vocal about its current limitations.
For the kind of stuff I tinker with they've been perfect so far, decent quality image for a real budget. At the ratio of cost vs quality I'm happy to work around any glitches. The MK3 seems to be working on those glitches. For that reason alan sugar - hired