jQuery 1.1.3: 800%+ Faster, still 20KB – After many months of testing, developing, and more testing, we have a very solid release available for download. It comes with roughly 80+ fixed bugs and a handful of enhancements for good measure. [Digg – Programming]
You guys should really check this tool out, if you are interested in AJAX. This as well as Prototype. If you are interested in learning how the DOM and AJAX work together I have found good reading over at the IBM’s Mastering Ajax Series. I think its probably the best read out there for AJAX. Although they don’t post updates often.