Giving a Rich face-lift to an organization's websites can deliver such a superior user experience that quite possibly it can give the organization a clear edge over its competitors, but choosing the right RIA framework for your team is never an easy task. The frameworks, categories, and details presented in this article are not exhaustive by any means. Here are some of the findings: http://sonymathew.blogspot.com/2009/02/comparing-ria-frameworks.html