Hi, I just purchased a MacBook Air and I am coming from a PowerBook G4. Before I mess anything up, what is the best way to sync my iPhone to it the MBA? Should I just plug it in and all of my music will copy to the hard drive on the MBA? I have my music backed up and don't mind copying it back manually. I just want to do this the cleanest way possible. Also, would my applications and everything copy over or do I need to backup some files from the PowerBook and transfer them to the MBA? Thanks in advance for any help.