Just a quick note, for the people who use jQuery and Railo. With the version 3.1.0.017 and higher of Railo and jQuery 1.3.2 you can now use returnformat=json like in CF8. No need any more for you to use serializeJson at the end of cffunction to have JSON format.
Here an example from John Wish Blog with CF8
Your CFC
Your HTML/CFML pages
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