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After this JavaOne my POV changed, I have mixed feelings about Oracle and all the show. I think as Rod Johnson said with Java nothing will change everything will be the same, maybe little bit innovation on Java/JEE/JVM but thats all. JavaFX, OOo, MySQL, Netbeans, Sparc and the others the future is uncertain, Sun admits Oracle didnt want the hardware business figure.

JavaFX looks cool in JavaOne but it is only marketing and still not mature enough and still propetary and is a trap all over again the Java thing since the 90's, The competition is light years ahead and mature so for RIA my take is continue with Flex and Flex 4 will rock the house.

I hope we will have next year another JavaOne and I think Java/JDK/JVM are ok(safe) but the other projects maybe not, IMHO.

The advantage of JavaFX is the easy integration with Java on the client and the server. As easy as they make it seem, Flex is not a snap for working with a Java backend if you didn't do all the code upfront for a non-java front-end. And then there is all the duplicated code. Additionally, JavaFX is not just a "RIA" in the sense that Flex is. It is much more.

That implies Java FX is easily integrated within most browsers, it really is not. Half the time when you go to load an embedded Java application within a browser, it crashes (or at least grinds to a halt) the browser. In general, SWF plugins load with far fewer issues than JNLP files. Besides which, there are tons of solutions for integrating Flex and Java (I've used 2 distinct ones myself). I understand the JavaFX provides a tighter integration with a Java middleware server, but I'm from the school of software engineering that prefers loosely coupled UI and middletier.

Larry Elison has been conned into beliveing that JavaFx is better than AJAX.