J and beyond will be this time in germany again. For every joomla enthusiast a must, meet the developers behind the joomla community. Everyone is welcome.
The virtuemart team is sending Valerie and Patrick to jab12, they present:
http://jandbeyond.org/programme/sessions/221-easily-write-extensions-for-virtuemart-2-dive-into-the-vm2-framework.html
This speech is in special interesting for 3rd party developers, but also for dedicated users.