Hi,
if you were waiting for some docs in order to try out the
control flow module, here they are:
http://gridlock.openplans.org/geoserver/2.0.x/doc/en/user/community/controlflow/index.html
Feel free to review/improve
Cheers
Andrea
--
Andrea Aime
OpenGeo - http://opengeo.org
Expert service straight from the developers.