There is a big European BlackBerry conference put together by the IBBUG going on in Amsterdam at the end of January on the 26th and 27th called IBUS 2006.
The IBUS will be the annual European Event solely focused on the BlackBerry. The Independent Blackberry User Summit (IBUS) 2006 is organized by the International BlackBerry User Group (IBBUG) which has the mission to provide an independent platform for the sharing of information, knowledge and experience on the selection, implementation, and effective use of BlackBerry enterprise solutions.