All the four folders you mentioned in your last post.
Copy these to the Music/iTunes folder on your new iMac. Once they finished copying (just to be safe) disconnect your external HD.
Now press and hold the OPTION key on your keyboard and then click on the iTunes icon (which should be on your Dock).
You should then see the little window. Click on CHOOSE LIBRARY.
Next you will need to locate the iTunes library file (which should be in the iTunes folder). So navigate to the Music/iTunes folder.
You need to look for a file called iTunes library (it has the file extension itl).
Once youve found it, select it and then click on Open.
iTunes should now load up and from then on, knows where all your iTunes content is stored.
Anytime after this that you load iTunes, you wont need to go through the above procedure (i.e. pressing the OPTION key to locate the iTunes library file etc).
When I moved from Windows to Mac last year. I needed to do the above (albeit from the folder on my Windows computer). I can remember the person who told me the above instructions, said that if you have not loaded iTunes up before (on your Mac), there will not be a iTunes folder present in the Music folder on your Mac. So basically I just copied the Music folder off of my Windows computer, onto an external HD, and from there, on to my iMac.
I then loaded iTunes up on my iMac and followed the above instructions about navigating/locating the iTunes library file. And everything worked flawlessly, no issues at all. Im pretty sure too, that I had all the play counts copied over too.
Unfortunately I dont use/have iTunes Match so Im unable to advise you on that.
Not sure if you take backups of your system and if the external HD you use presently is large enough, but I would set one of the external HDs aside and use it solely for taking Time Machine backups with.
And the second external HD (providing its large enough) I would use it solely with Carbon Copy Cloner (which I mention below).
Also, not sure if you use this Application, but I would invest in Carbon Copy Cloner. It isnt free (its £27.95) but its a really good Application. And by this I mean.
For example, say some issue stops your iMac from booting up. With a Time Machine backup, restoring off of this can take a bit of time. But with Carbon Copy Cloner, it takes an exact bootable clone of your iMacs HD or Fusion Drive in your case. Basically, if you have an issue that stops your iMac from loading, you can use the external HD (that you use for taking the clones with, with CCC) to boot off. So you basically have a working, bootable system. Then once youve booted off of this and are on your desktop, you can then load up CCC and choose to restore from the external HD and onto your Macintosh HD, to then have your iMac up and running again.
I cant remember how much quicker it is than restoring from a Time Machine backup, but it is considerable quicker from what I remember.
Its wise to have at least two backups of your system too incase the worst happens.
If you backup with your two external HDs by the above methods, then you will also be backing up your iTunes content in the process.
Time Machine is ideal if you lose a file, folder etc, or accidentally overwrite a file and would like to get the older/original version back. Its very easy to locate to what your looking for and then simply copy it over to your iMac.
Carbon Copy Cloner is ideal for when your iMac wont boot (due to a software issue for example). You can instantly boot off of it, and have a usable, working computer again. And from there, restore your iMac from the clone, which is considerably quicker than restoring off of a Time Machine backup.
Re the Fusion Drive.
You have no control as to what goes on to this. Basically the Fusion Drive monitors your usage and puts your mostly used applications, files etc on to it. So that these can be accessed quicker. Also the Fusion Drive has a 4GB buffer for to provide faster read writes when you are copying stuff to it.
This link provides more info on how the Fusion Drive works and explains it better than I can
http://arstechnica.com/apple/2012/1...ining-doc-ars-tears-open-apples-fusion-drive/
Hope this info has helped you
