Well, the main conference anywawy. I'll be around for sprints.
I prepared a lightening talk but didn't get to do it (the talks were a bit disorganized and the slots were full instantly). Mine would have been on class decorators in python. Originally it was titled "in python 3000" but someone back ported decos to 2.6 recently. A pdf of the slides is available here. Most of the content was to be spoken so the slides are sparse.