FYI, registration is still not working
there is some redirection that tries to redirect to url: [URL]http://http//www.event-space.com/londonaffiliateconference/onlinepayment.aspx[/URL]
(that is invalid URL)
and correcting the url gives:
an error occurred
The page you have requested has experienced a problem. The error has been logged and sent to our technical support team. If you continue to experience problems, please contact the site administrator.