Please can all who are experiencing 'system overload' messages and freezes on Logic 8 report their complaints to Apple, it's the fastest way we can get a fix for it! There is clearly a problem with Logic when 8 core 3.2Ghz Mac Pro's are 'system overloading' with less than 5 audio tracks! Thanks.
http://www.apple.com/feedback/logicpro.html
http://www.apple.com/feedback/logicpro.html