I am looking for best way of syncing so here is my situation. I have two macs (an mini i7 and a mpb i5) and here are the two syncs I did: (from i5) serato folder (to i7 read only) this works perfectly (from i5) itunes folder (to i7) full access works great but here are my issues. I put new music on my i7, close itunes and turn on my i5 which then writes over the i7's library xml and now I cannot see the new music I added. Why did hte i5 overwrite i7? Or both are on, I put new music on my i5 and close itunes. turn on itunes on my i7 which overwrites the i5's itunes xml. So what I am essential asking is what determine who is to overwrite the other? Is it the date created? What do you suggest I do? I tried to do a read only access on the i5 but I found myself wanting to do some stuff on it and not need to move to my i7 which I use to do more of the heavy load work. (processing mp3tags etc) Any suggestions would be awesome and if you need me to clear it up further, ask away.