Jimmy Wales will be ITP next Saturday, 9/22
As part of OneWebDay, Matthew Burton is coordinating a Q&A session with Wikipedia founder Jimmy Wales. Dan Phiffer will be presenting ShiftSpace and Fred Benenson will be presenting Free Culture NYU on Creative Commons.
721 Broadway, New York
On the subject of wikis, under Tom Igoe's recommendation, I tried wikidot, kind of like the wiki version of Blogger. You can customize and make your own wiki without learning how to code.