In phpLD we are switching from Smarty to jquery. More to come on that soon.
this is one of the sleekest way of doing some cool tricks on websites.
If you are a serious web developer and you have not learned how to use jQuery you need to do it right now. The best place to learn is NetTuts:
Just do a simple search for jQuery on there. They have an awesome set of video tutorials for jQuery beginners. Take a look!
Before i Started my blog on wordpress development i had a little blog(60k page view per month) on JQuery development so whenever you hava a problem with JQuery post it up on the forum and i'll try to help you.same goes for every one.