I would recommend burning in MacOS X. Memory management in OSX is far superior to the old memory manager in OS9. As for the CD's OSX produces, if you are using 3rd party software to burn, there shouldn't be a problem using those discs in OS9. CJ > I have the Kensington Expert Mouse Pro. The menu for my CD Burn in OS > 9.2 > contains only 'Quit' or to turn on Balloons. I am wondering if I > should > only burn in OS X? If I burn in OS X will the cds only be useful in > OS X > afterwards? > > Sorry for the simplistic questions. > > Ascender at earthlink.net > > > >