On these pages:
http://java.sun.com/javase/6/webnotes/install/jre/manual-plugin-install-linux.html
http://java.sun.com/javase/6/webnotes/install/jre/install-windows.html

As we are mentioning the supported browsers and versions, we should also descript that New Java PlugIn only works in FF3. Currently, no other documentations besides the developer release note describes such behavior. End-user might be expecting the new features in New Java Plug-In with old brwosers and found that not working as "expected".

In the Java PlugIn registration section:
http://java.sun.com/javase/6/webnotes/install/jdk/install-linux.html#troubleshooting

Last link should point to
http://java.sun.com/javase/6/docs/technotes/guides/jweb/index.html
instead of:
http://java.sun.com/javase/6/docs/technotes/guides/plugin/index.html