If you are a Logic user running 9.1.4 and need to use Logic now... hold off on installing Lion. There are some users experiencing odd bugs within Logic as well as with unsupported audio interfaces. :) P.S. Also check out this chart by Apogee on 10.7 compatibility with their hardware and drivers: [url]http://www.apogeedigital.com/products/apogee-mac-osx-lion-compatibility.php[/url]