The EJB Advocate evaluates using various forms of 'facades,' including POJOs, HttpServlets, session EJB components, message driven beans, and entity EJB Home methods, in an attempt to get at the heart of what makes up a good service oriented architecture implemented with J2EE?components.
I've been fortunate enough recently to be in contact with Steve Northover. Despite him being very busy with SWT and the forthcoming release of Eclipse, I've managed to grab some of his time to answer some of my questions.
SWT Development Resource