I've just finished writing a jQuery cheat sheet which is available for free download in pdf format.
I've have put hours of work in to gathering together information from different tutorials and other sources to write this document. It is organized around the jQuery API for easy reference. You can get the download link from my blog here: <a href="http://myphpetc.blogspot.com/2009/03/jquery-select-element- cheat-sheet.html">http://myphpetc.blogspot.com/2009/03/jquery-select- element-cheat-sheet.html</a>