So What Should I Say At PyCon?

I'm speaking at PyCon on Saturday. The blurb I sent in says:
What We've Learned From Building Basie Since September 2008, teams of undergraduates from half a dozen different universities have been building a Django-based replacement for Trac called Basie. This talk will present what they've accomplished and discuss what we've learned about getting junior developers who are juggling half a dozen projects at once to build production-quality code.
I'd enjoy hearing from past and present project students---49ers, GSoC alumni, and everyone else, not just those who worked on Basie---about what they got out of the various project courses I have run, and why.