Proof of concept examples for JEE, Seam, JSF, Spring, GWT, etc.
Rick Hightower just spoke at the LA JUG on May 13th, 2008. Slides for talk are here:
Spring DI Redux: http://docs.google.com/Presentation?id=dw4ms58_31w5nnghcv
Spring AOP Mixins: http://docs.google.com/Presentation?id=dw4ms58_10gn7ctzht
Spring Traditional AOP/Spring AspectJ: http://docs.google.com/Presentation?id=dw4ms58_76cgzvmm76