The great thing about a miata is it's a driver's car, and you had to row it during a spirited drive. I thing a S-G drivetrain with a 6-speed would be plenty of fun. s***, who cares if it was a diesel sipping 1.0L with only 100hp, provide it had 160+ TQ, it would be fun. Mixed with a 5200 max rev, you would definitely be connected to the car. Hell, that's one reason my FC is so fun to drive every day, even though it has somewhere around 98hp at the rear wheels, and less TQ than that.