Well, I have attended FSOSS, and I must say, it was interesting. It wasn't quite what I was expecting--less fanfare, primarily--but still interesting to go to.
The best presentation I saw was the first, and this primarily because it actually interested me: Extending Eclipse. Before this, I never knew that there were non-IDE apps built on top of the Eclipse platform, or that it had a web interface that could (relatively) easily be implemented for general use.
If there's one thing I learned about it, it's to read the descriptions, not just the titles, opf the presentations. While the last one I saw2 (about legal notices) was interesting, from the title, I had thought it was more about getting the public's attention about a new project. Reading the descriptions, I'm pretty sure one of the other ones going on at the same time was closer to what I was hoping for: the one about building a community. Seeing the last 10 minutes or so of this, I have to say, this guy was likely the best presenter there, though this could easily be skewed by the short period I was watching him for.
I've also realized: don't get sicvk on the Friday morning; I wound up missing out on sessions 3 and 4, ans the lunch in the middle, since I had to go home and sleep, otherwise I'd be sleeping during the presentations.
All in all, I'd say it was worth my while, and I will surely be back next year, especially while I'm still a student.