There were some security issues. Upgrading is highly recommended.
Download:
http://java.sun.com/javase/downloads/index.jsp
Release Notes:
http://java.sun.com/javase/6/webnotes/ReleaseNotes.html#160_03
Too late, already trying out early access update 5 
Oh-hoh, what’s this I see:
6595064 java_deployment update Incorporate OpenOffice.org download offer in the Update dialog
Cas
love the new ‘Declin’ button :
on and the ‘N’ button in the following Yes/No cancel dialog
How do you access the early access section of the sdn? i’m already a sdn member and can’t find the early access page. Also i love the “Finis” button after the install completes.