The UK server is being synchronized daily with the websites of the USA server, apart from a few exceptions, most website are now fully backed up. Some websites are already being served by the UK server and a synchronisation with the USA server will follow shortly. The big migration is planned for week 33 (Sept 11-15 2008). after that date, a full syncronisation will be taking place to either websites, (some will stay in the US and a mirror will be in action in the UK).
Plans are going really well.