The video lectures on yahoo from Doug are even better. He goes through all of these details in them.

http://video.yahoo.com/watch/111593/1710507 (Part 1)

http://video.yahoo.com/watch/111594/1710553 (Part 2)

http://video.yahoo.com/watch/111595/1710607 (Part 3)

http://video.yahoo.com/watch/111596/1710658 (Part 4)

There are also a series on DOM, advanced stuff etc