maybe these are better and more useful Part 1: http://www.youtube.com/watch?v=ib9u811WXJU Part 2: http://www.youtube.com/watch?v=TtKHo9dKHtQ Part 3: http://www.youtube.com/watch?v=7gTyS_RKLXc Part 4: http://www.youtube.com/watch?v=DSa-Mcd24Ac
(think its valid to post these here, cos last steorn-talk, they cut the q&a)
