I mean it’s pretty much transparent if you are a plus subscriber. I went from PS4 to Pro since I had gotten a 4K hdr tv and I simply synced my backup to the cloud, turned it off, set up the PS4 Pro and started restoring everything. That’s the fast and more incremental way to do it. You can follow these steps to essentially reimage your old PS4 to new PS4 Pro. But it can take several hours:
http://manuals.playstation.net/docum.../transfer.html