>but sometimes it's the relationship of the objects >in the centre/middle/body of the picture that are key. >(females are more prone to photographing like this >apparantly)
Definitely!
For great composition w/i the frame, you might like Tati, Mizoguchi, Tarkovsky, Renoir, Sokurov - "Russian Ark," and Hou among others. I know you like Welles, his contemporary, Wyler, was quite good, too.