The presentations from last year's jQuery Conference Boston 2010 are now online for you to view. You can click the above picture to watch my introduction to jQuery UI. The material is targeted to someone who hasn't seen jQuery UI at all or knows very little about it.Slides
I have hosted my slides from the presentation if you are interested.Other Presentations
In addition you can check out most of the other sessions from the jQuery Conference Videos page.
Some of the talks that I found particularly interesting were...