Idea of using in memory DB as cache - http://www.nabble.com/Idea-of-using-hsql-as-cache%2C-how-do-you-think-about-that--tf4938723.html

MVP sample - http://digerati-illuminatus.blogspot.com/2006/11/composite-ui-application-block-model.html http://googletesting.blogspot.com/2009/02/with-all-sport-drug-scandals-of-late.html http://blog.dczweb.net/post/Model-View-Presenter-%28MVP%29-Pattern.aspx

http://googlewebtoolkit.blogspot.com/2009/05/widget-best-practices-widget-building.html