I've just been fiddling around with this. The Idea is to have a calendar that captures all of the related social events happening in March, so that people have a 'one stop' guide to everything that's going on during and around the Atheist Convention.
It's only a work in progress at the moment, and most of teh peripheral events are Sydney based (because they're the ones I know about) but I'm hoping that others will send me the details of their events and I'll put them up too.
You can view the calendar here:
GAC Social Calendar