Just happened to notice that when I tried to load Final Cut Express just now, that the Audio Unit fails to validate the VSL Compressor .. it just hangs and doesn't do anything else. This only seems to happen when loading FCE .. I tried it with Soundtrack Pro and that has loaded the VSL suite without a problem. Also tried this on my G5 and my Macbook Pro .. so not sure where the fault lies exactly but if anyones using Final Cut and the Vienna Suite there may be a problem in loading the Plugins at the moment.
If anyone knows a work around to get FCE to load properly I'd love to know it as I don't fancy having to uninstall the Vienna Suite every time I want to use FCE :P
Just FYI.
Heto