The 'high priest of the comedy Powerpoint talk' (The Times) is touring again - as much as anything to demonstrate that a powerpoint presentation doesn't have to involve a man in a grey suit standing behind a lectern and saying 'next slide please'. We've all had enough of that, so let's put it all behind us and never speak of it again - there are far more important things to analyse. Well... they're more important in Dave's head anyway.