This question has been asked, but my situation is a bit different. I have a 4 year old MacBook Pro. My iPhone (4S), iPod Touch (4th gen), and iPad 3 are all associated with this computer. I just bought a new Mac Mini and want to associate these three devices with the Mini and "abandon" the MBP (even though I will still be using it for other things).
I have already transferred ALL the content (Music, Podcasts, iTunes U, Movies, etc.) in my MBP's iTunes library onto my Mac Mini's iTunes library. They are essentially mirror copies of each other. I also subscribe to iTunes Match. So ALL my music is accessible via the Cloud. I have already turned on iTunes Match with the Mini and downloaded all the songs in my library to the Mini except a small number that I hardly ever play. I left them in the Cloud.
Now, my semi-ignorant intuition says I should be able to create a backup of each iDevice "to my MBP" (not to iCloud) and then copy the backup and transfer it to my Mac Mini. (How I do this I am not sure. Transfer the backups to an external hard drive and then to my Mac Mini?) Where are these backups on my MBP anyway?
Then I thought I could connect my iDevices to my Mac Mini and "Restore from Backup" (The backup that I transfered from my MBP). This way my iDevice would come out of this whole process looking just like it was before...more or less. All my apps would be in the folders I created for them, e-mail accounts would be preserved, etc.
Or is there something even better...faster. I mean, the two libraries are exactly the same. It would be nice if I could just associate the iDevices with the new computer and not have to restore at all.
OK, I throw myself at the mercy of the court. I don't dare touch these devices until I am sure I won't totally jank them all up.