For about a year now, I've been part of a team at Citerus that has worked with Eric Evans to create a sample application showcasing domain-driven design, and we have recently released the first version to the public.
Al least two porting efforts have already been initiated: Qi4J and Sculptor. Some people are blogging and twittering about it, too :-)
The Swedish DDD user group held its first meeting at the Omegapoint office in Stockholm, where Patrik Fredriksson and I presented the application. In August I presented the application to the New York DDD user group, and in January 2009 we will give a three-hour tutorial on basic DDD and the sample application during the JFokus conference.
On tuesday, November 4, Eric Evans and Patrik Fredriksson will host a one-day seminar on DDD in Stockholm.