I think it’s a very interesting presentation to watch even if you are experienced jQuery user as it explains the concepts behind it in a very clear way. In particular, I really loved how he explained closures
Or you can just grab the slides and demos and skim through the slides.
Just one recommendation: the size of the video is pretty big, I guess it’s 800x600, so make sure you watch it in full-screen mode and that you have enough bandwidth on your side.
Here is the link to the video: An Intensive Exploration Of jQuery With Ben Nadel