Not a troll (because you can go go and duke it out on the blog itself rather than here...)
But an interesting discussion over on edward winkleman's site looking at Purity In Medium

http://edwardwinkleman.blogspot.com/2005/12/purity-in-medium-open-thread.html

especially interesting fro the Burtynsky vs. the germans/struthskys aspect

(thanks joerg)