I thought that it would be helpful to create a screencast of the JavaFX NetBeans sample applications... but I was very thankful for my 13 year old daughter who volunteered to do it instead of me and she did a fantastic job! Here are her screencasts below.
JavaFX NetBeans Sample Applications Demonstrated
http://robertjliguori.blogspot.com/2014/03/javafx-netbeans-sample-applications.html
I hope you enjoyed her videos.
-- Robert