This is a demonstration in which you can hear the difference between the real-time performance of a JVM using Metronome (a RT collector) and the JVM using normal GC.
A video from Sun that discusses the benefits of real-time systems, and particularly the RTSJ in a relatively non-technical way.
An RTSJ demo --- with a knife ... well, a "really sharp pointy thing"!
Greg Bollella
Doug Locke speaks on application design using the RTSJ