I'd like to be a beta tester! Mac: Power Mac G5 (Dual 2.7 GHz), 2.5 GB Mem, Mac OS X 10.4.8 Apps: - Photoshop CS - CINEMA 4D R9 - BodyPaint 3D R3 - Google Earth I've already purchased a SpaceNavigator SE to use it on Windows. If you could send me a driver for Mac, I can test it immediately. -- kei