Well, that's all there is to this AJAX tutorial - you've reached the end!
If you think you like AJAX, read the AdaptivePath article where the term AJAX came from. Try downloading the Prototype AJAX toolkit. For AJAX and ColdFusion, check out CFAJAX.
Also, feel free to check out these Quackit tutorials on the technologies we used in our AJAX example:
In any case, try and use your imagination and see what great uses you can find for AJAX!