I've just bought a MacBook pro and have been trying unsuccesfully to move my library from my pc to the mac. As my iTunes library is around 266gb and the MacBooks internal drive is only 250gb I thought I would just connect my backup of iTunes which lives on an external drive to the mac and 'hey presto!'. However I have now discovered the nfts/fat32 problem... I did seem to be able to view and play from the external drive using the mac but obviuously I can't write to it and update my iTunes library. To get around this I decided to format the ext drive to fat32 on the mac and to backup again from the pc to the now fat32 ext drive. However when I tried this the backup just kept stopping (no error messages) after around 130gb's. Thus happened again and again, taking most of yesterday : ( Does the 4gb fat32 limit have anything to do with this? I've now reformatted the ext drive back to nfts and am backing up iTunes again to it. I wonder whether having the music folders on the ext drive in nfts but the actual library file on the mac itself will allow me to use and edit the library properly. What's my best course of action? Also, how does the mac get around the fat32 limitations when using video files larger than 4gb? Thanks!