Oh man, talk about a great opportunity for free public exposure! This sounds like a story for your local papers local business section. "Hillside Games plays Sauron to Wyverns Tale's Frodo".
Seriously, contact the local news outlet and lay out your side of the conflict clearly and factually...
Dr. Who
With a sytem that encourages Talking or "RUN"ning over combat sounds like just the thing for ESL. And you can have adventures happen anytime/place.
or
Traveller
if you want science fiction as a break from fantasy
That sounds like it was a blast to play. And now that the characters have well developed backgrounds and personalities, it sounds like you might find "re-creating" them in a system like FATE to be a snap.