Dave Hyatt’s blog will give you the complete details, but for now I want to point out one of the most exiting new features–client side XLST. We’ve been waiting a long time for this. XSLT is a transformation language that allows you to turn one XML document into different one. I know! Exciting, isn’t it! Seriously though, XSLT allows you put data in one spot and the transform it however you see fit in many different ways. This promotes a healthy separation of data and presentation. You can have one document with your data and a thousand document describing a thousand ways to present it. If you need to change your data, it’s a simple edit in one place. This is similar to what CSS allows you to do with HTML, but because XSL can transform the fundamental structure of the document it adds some impressive flexibility and power.
This is pretty cool you should look at the example