Hi, I've currently authorized 4 macs to play my itunes, however one of these was an imac that i only had for 1 week and had to return to apple because of screen issues. So that was a bit of a waste of an authorization. Is there anyway of getting that one back, or is there a way of authorizing more than 5 macs to play my music. I'm due to be getting a new mac pro soon which when i authorize it will take up all my quoter - it'll be my 5th and final one. Solutions?