My slides about a overview on JavaFX at our last CEJUG event.
Downloads:
Here a little screncast showing the live preview feature on the NetBeans JavaFX Plugin.
[youtube]vCWQtQgdpUA[/youtube]
You can also download the orignal screencast in higher resolution netbeans_javafx_preview.ogg (15 Mb). Photos of the presentation at my Flickr album.