Whoops, guess I shouldn't type in the dark. That should read in "your" extensions folder (not the RDS application folder extensions). Actually, they should be in your Macs extensions folder within the Systems Folder. You can get the latest extensions from Versiontracker at: http://www.versiontracker.com/moreinfo.fcgi?id=391&db=mac Check to see if there are current drivers included for the Radeo card within the download, Apple normally includes them with the latest extensions but not always (depends on when the're released).