Yes indeed. I have had a fair few run ins with the carphone dynamic IP. We don't seem to have a way to stop such accounts from as you say troll talk pages and being unable to edit but such accounts are disruptive, I should have ignored him. Personally I support only accounts and no IP edits, that would go a long way to stop many of the vamdalism and socking issues but it might make it a tad quiet. Best regards TFOW, nice to see you again.