Comment by jprichardson: Nice article, but I would recommend that you stay consistent on your terminology. I understand what you mean when you say "hosted mode" or "web mode"... but someone new to GWT who may have read the new GWT docs may only understand "development mode" and "production mode."
For more information: http://code.google.com/p/google-web-toolkit/wiki/NullIsUndefined -- http://groups.google.com/group/Google-Web-Toolkit-Contributors