Only a few people combine creativity and the ability to deliver solutions... one of them is Rickard Öberg. His brain- and codechildren range from XDoclet to the JBoss application server, cool stuff.
Now he's back with the idea (and framework) he calls new energy for java in a lengthy blog entry.
He names it "QI4J" (pronounced "chee for jay") - a framework in the area of domain-driven development (I blogged about it here). Well, just in case you're architecting software systems, you should check it out...