We've been also using GWT for around 3 years now with great success for both inhouse and public facing applications. I'm surprised the author did not name the b

We've been also using GWT for around 3 years now with great success for both inhouse and public facing applications. I'm surprised the author did not name the by far most compelling benefit: you can develop a huge codebase in Java, hence use your Eclipse, code completion, real time debugging, apply code metrics, Junit tests and you can share the same code on the client and the server (think domain objects, validators etc).