Sorry for posting this, I'm sure it's been asked before but the search function is limited. I end up reading through 15 pages of threads without coming up with an exact answer. Here's the situation: 1) ipod 'A' linked to powerbook 'a' 2) Powerbook 'a' 3) ipod 'B' 4) Powerbook 'b' ipod 'A' is currently set to sync with iTunes on powerbook 'b'. ipod 'B' is set to sync with itunes on powerbook 'b' I'd like to add some songs onto ipod 'B' (which is linked to another itunes library on a seperate mac) using powerbook 'a'. If I plug in ipod 'b' into the powerbook, what will happen? I think that itunes will simply tell me that the 'ipod is linked to another library, do you want to sync with the powerbook's library.' (which would erase all pervious music on the ipod-not a good thing) Is it as simple as enabling firewire disk mode, putting the music on a folder on the ipod? next, have the original ipod 'b' owner go into itunes on powerbook 'b' and clicking file->add to library? Please throw your ideas out there, I want to get some feedback before I do this, I'd hate to accidently erase a few GB of precious music.