phuile88 wrote:
That being said, I suddenly have this frightful feeling that in order to keep my files usable, I will now be perpactually tied to paying Adobe subscription into infinity ...
You'll be in a similar (if not the same) boat with the perpetual license since Adobe has now introduced a one-version-back upgrade policy with the CS6 cycle.
So to be eligible to upgrade to CS7, you must be running CS6. And to be eligible to upgrade to CS8, you must be running CS7. And so on.