The upgrade to Palm Desktop 4.1 went smoothly for me under OS X 10.2.5. It worked with my Palm IIIxe, connected via a Keyspan USB PDA Adapter (1.4b3 driver), on the first try. Palm Desktop is still much quicker than Apple's iCal and iSync, so I'll keep using it. It might not be Aqua-pretty, but it works. PS: Palm should replace the iMac/Palm V logo with something new.