I like positive training and clicker training in particular. http://www.clickertraining.com/

It's pretty much the opposite philosophy from the Sit Means Sit. I just would not feel comfortable with a "stimulant" based training personally.

Just as a contrast to the other video, here is one with examples of dogs doing tricks trained via clicker.

http://www.youtube.com/watch?v=cQpIojDLGwQ