Sun is announcing Java VisualVM, a new GUI-based tool for troubleshooting Java applications. Available as part
of JavaSE 6 Update 7 (available today) VisualVM incorporates various technologies, including: jvmstat, Java Management Extensions (JMX), and the NetBeans profiler, in order to provide a unified easy-to-use visual diagnostic tool for both development and production environments.
For more information on the Release check out the post here.
Download the latest update here.