jQuery must be cool Drupal picked it as "the" JavaScript implementation -- and they are into DEVO... 
HOWTO: tab blocks with jQuery
Ubercart has some good jQuery examples that worked -- Dynamic Form just worked for me... jQuery example/tutorial - dynamic form
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Thanks for the nod here.
Thanks for the nod here. We're looking to add some more basic jQuery content showing people how to get their feet wet with the library by itself and then (hopefully ;) some useful applications of jQuery in Drupal. I know the dynamic form is one, but we can surely do better than that...