i replaced my harddrive in the notebook for a bigger one with a 10.5.4 system and am testing the copy now for about an hour and everything seems fine. ccc 3.1.1 needed 3:52 hrs to clone a "200gb" harddrive (in reality 186gb) with only 2gb free space left. i was really desparate as i had three failed attempts and 3 lost days with migration assistant and time machine backup trys. migration assistant used to work for me in 10.4. . I have not yet tested super duper, but downloaded it too, but first tried ccc as super duper was talking in all options about certain system files that are not recommended to be copied and saying they wont be copied. I have many licenses on the drive where the vendors allow only limited number of authorizations, i dont even remember how many (until i need the program and it doesnt open) and dont want to have the hassle of deauthorizing and reinstalling. So for now all authorizations seem still there. I donated, cause this really helped me a lot now