There was a topic some time back with a discussion on Top Level Position:
http://www.cleanitup.co.uk/smf/index.php?topic=110074.msg939736#msg939736
Did you get involved with them, or is it something to steer clear of?
never heard nothing back Andy,
if that sort of thing interests you would love to have a chat at somepoint, like speaking to like minded people that keep there options open.
Ian