How do I sync the same library between two computers?

[philipcolett]

I have an iMac and a Macbook Air, and I am constantly buying music betwen the two computers, and my iPhone. I want to be able to sync up my iPhone on both computers, but it keeps telling me I have to resync my entire phone, which is just crazy. How can I sync up itunes? I have .mac to sync my contacts, mail, etc.

 

[PJF13]

What I do now is buy all my iTunes music right on the phone itself, then I plug it into my office iMac and home MacBook, "File..."Transer purchases from iPhone". This loads my music on both machines and keeps it on the iPhone as well.

I know it's not exactly the best solution but it's better then the whole delete library thing...