I used to, somebody down in Sussex, possibly near the Surrey border, can't quite remember exactly where, or their name, I will have to have a proper think and see if it comes back into my memory!  Anyway, they bred champion birds at the Natl or Fed maybe 6 or 7 years ago.  Could the breed club help do you think?  I think they used to come under some umbrella club, rather than being a stand alone one, but I can't remember that either.  Must be getting old.