Don't know if you've seen these before but they are interesting if nothing else.

Part 1: http://www.youtube.com/watch?v=QEu9MLdk7F4&NR=1

Part 2: http://www.youtube.com/watch?v=JYf4S...eature=related

Part 3: http://www.youtube.com/watch?v=Yd0Tg5Xf0HU&NR=1