The vagueness; it's like when the colors run into each other and it appears as if a mist softens all the sharp edges, is that what you mean by The German Expressionist Films of the 20's, I have noticed a similarity to each other. I once tried to watch M.; Emphasis on tried. I am keeping the list Dark City no. 5. I like Bergmann; although I am sure he is Passe'. And Wim Wenders also. That movie with the narration by the guy who rides the subway a lot.