You are reaping the rewards of a post 72 guitar. Play it for a while but let me tell you my story. I had my 70 D 35's neck reset, a new bridge, saddle nut and frets installed at the same time seven or eight years ago. I was hearing an undefined something that had changed, a tonal difference if you will, primarily on the high E. I took it in and got a what are you talking about responce. Finally they said they could do a fret level and crown, with an It's your money attitude. They really found nothing wrong. I told them to go ahead. When I got it back it was my superb guitar again.
It is my belief that any guitar that has not had a level and crown after five or so years should get one, particularly if it is a new to you guitar. I've had this done to various guitars four or five times now, and it has never failed to make a guitar better. In fact it is this very luthier that won't do a setup without a level and crown. It's a shop policy. I laughingly told them it was al their fault I'm now so picky. Primarily it is a clairety of tone. I don't like low action, but if you do it becomes necessary.
I had my Weber mandolin worked on by the same guy. A month later, something wasn't quite right. Another look like what are you talking about, but he went in the back and did something to it that solved the issue. Probably a nut slot clean up, and all is well. After the are you nuts thought, I think they appreciate a discriminating customer and their ability to please them. Anyway a $150 or so very well spent IMHO.