One of the requirements for the JavaSE 8 module system is to provide support for and be able to integrate with OSGi. I am therefore very happy to see that a new OpenJDK project is being proposed to focus on precisely this: Project Penrose. Tim Ellison posted the proposal here: http://mail.openjdk.java.net/pipermail/discuss/2012-January/002320.html
They're still looking for initial supporters, authors and committers, so if you're interested in helping out just sign up!
BTW I posted before on this topic, see here: http://osgithoughts.blogspot.com/2011/05/java-se-8-modularity-requirements.html