I had a great time in Brussels this weekend where I was speaking at FOSDEM. I gave a talk on Perl in their "scripting languages" track. I wasn't really sure what sort of audience I would get, so I gave a pretty high level "state of Perl" talk. You probably already know it all, but the slides are online if you want to take a look.
To be honest, I was completely blown away by the sheer size of FOSDEM. There were around 2000 people there and it's all organised by volunteers and attendence costs nothing.