Most sessions from Warpstock 2014 are now available from the event's Sessions page. If the session title is clickable, the video is available. Videos are in Ogg format, and should play natively under Mozilla-based browsers.
These should provide a good sampling of the types of presentations and presenters we usually have. If you haven't registered for this year's event, you should do so now!
Warpstock Corporation
http://www.warpstock.org/article.php?story=ws2015-videos-available