Howard M. Lewis Ship is the creator of Tapestry, the component-based web application framework.
Some Geronimo thoughts;
I'm concerned that on day 2, some people are already claiming to be ready to check in code. That gives rise to worries that this is a private party played out in public.
I've noticed some discussion of the use of JMX vs. Avalon. I'd like to throw HiveMind into the mix. Keel, Avalon, JMX and folks don't take the configuration aspects of service-oriented architectures seriously enough.