Rick in Dixie:
I'd go have the medical - a very good friend of mine in Canada has what sounds like a worse case than you have, and I've not seen anyone with as smooth a touch on the controls. He not only has a commercial license (FW), but also an instrument rating.
It was a bit un-nerving to watch this gentleman when I first met him, but he very quickly impressed all with his intelligence and drive.
When he has what I would call a spasm, he lets go of the controls and picks them up when it passes with nary a bump. It's actually quite incredible to see him in action.
So - go for it! (but don't be surprised if you don't do as well as you might think at the flying bit first time!)
Good luck!