I always thought of V as less serious then the rest of the games. It was more of a relaxed and comedy filled journey then a "HOLY CRUD, THE WORLD IS GOING TO END! GO!GO!GO!" like IV and VI. I see it as a nice breath between 2 more serious stories.

As for a remake, I really wish they remade VI instead of IV. IV is a nice game and all, but I wish VI was the one that was remade. I think it had the most to gain with a 3D remake. V is just fine as it is.