As those who have signed up for PyCon may already know, I'll be presenting a tutorial on developing Activities for the Sugar platform on the tutorial day before the conference.
There are also a number of OLPC talks scheduled, by Dr. Brown, Charles and Kirby. I believe we're also going to have a talk on the current status of the project happening somewhere.
Finally, we'll be running a sprint during the 3 days after the conference. This is a good opportunity to sit down with a group of people who can quickly answer questions and discuss ideas as you get started programming under Sugar. You can work on your own Activity, or hack on an existing one, by the way.