Unfortunately I can not give this a trial run as of yet because I am told that it installs a new version of QuickTime (6.4) and QuickTime for Java that is incompatable with some of my current development work.
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From http://developer.apple.com/quicktime/qtjava/index.html
Support for Java 1.4.1 in QuickTime for Java is being delivered as part of QuickTime 6.4 on Windows and Mac OS X 10.3 (Panther). Support for QTJava with J2SE 1.4.1 on Mac OS X 10.2 (Jaguar) is coming soon.
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Waiting for more information.