I am a little bit behind...but I've just recently read the article in the Netbeans Magazine May 2007 edition regarding Netbeans 6.0. It is an excellent article. If you are looking for a good resource to learn the newest features of the IDE then I definitely recommend giving it a read!
Also, another excellent resource is always Roumen's Weblog. I listen to each of the Netbeans podcasts, and I visit his site often...always has great information regarding Netbeans. He also has some good Flash Demos available.
Check it out Netbeans users!