The Vancouver PHP Conference 2007 is coming up next week. I think registration is full or close to it. We've got Steven and James giving a couple of talks on Drupal and Identity / OpenID.
There is also a (free, as in beer) panel on Free and Open Source Software (FOSS) on Monday night. It's open to the public and sponsored by a group called Information and Communications Technology / Open Source Co-op. Never heard of 'em, but they run Drupal, so they can't be all bad :P
Some of the topics up for discussion include:
Well, there's a selection of things I'm passionate about :P Should be interesting to see how the discussion goes, but I suspect it will be preaching to the converted in many cases.