His website/newsletter is good and he is excellent on the radio - he has a slot on 5 live on Mondays- but I agree that his TV show is annoying, particularly the sketches.
One problem he has is he is really preaching to the converted. Despite all his efforts to get people to switch energy suppliers something like 80% of people have never switched. I have some professional friends who I thought were money savvy but were actually unaware that switching suppliers or bank accounts or installing a water meter was possible as they never watch him