I took this up 2 years ago and love it. Go almost every weekend. Steve Saunders still rides, this was a few weekends ago
http://m.youtube.com/watch?v=3LjkKTHzYkE
I have to say its a great sport. Very cheap and very social. Competitions most Sundays and very often see Dads competing against sons, sometimes, three generations of a family competing together. You also get to see some amazing machines, old and new being ridden to very high standards.
I couldn't recommend this highly enough. Go and watch a local trial, or even have a go
