There really are little rules to it all. Check out the MCPS web-site - I also advise joining the social network 'LinkedIn' which maybe helpful, find me on there (Alex Pilkington) and I will endorse you.
I am very seriously thinking about it, but I am here in Brussels working for the minute. There are good tax reasons for staying this side of the channel for the moment so I would be looking to do it here in Belgium or the Netherlands first. I am really interested in the framework required.