I have update the Compact.Browser as per the suggestion from the post: http://weblogs.asp.net/andresv/archive/2008/06/07/add-blackberry-support-to-forms-server-2007-or-sharepoint-2007.aspx
However when trying to load a form on an old blackberry model, it displays the form server "Loading Form" bar, and the top and bottom tool bars; but ...