Human beings being what we are, how long do you think it would have been before we all started whining about the cost and threaten, "that's it, I'm leaving for XXXX".
There were a lot of SONAR users on older versions that Cakewalk couldn't convince to upgrade.
But yes, I agree with Ken - i would have gone on paying the monthly lifetime rate of $19.95 to keep on keeping on.
Like Joni Mitchell said - You don't know what you've got 'til it's gone.