I'm not a PARIS user per se - it was just the studio in which the songs of my former band were recorded. They would now like to get the songs into Reaper so I could remix them. Since this would be a one-time conversion, and then I'd probably never need AAT again (because myself uses Reaper exclusively), can't really justify any cost of the licence, sorry.
I do admire your efforts and nonetheless think you have an amazing thing right there! And thanks for the offer anyways