I just have to disagree with your agrument skyyr because if you were flying the 190D in an arena full of Vietnam fighters, the 190D would be heavely out matched even tho it would be more versatile. It's the difference in fighting with 1940 airplanes compared to 1945 airplanes. If pilot skill is the same the plane that could keep the most E during the fight would either be able to get away from his enemy or be able to get the kill. I do not agree that ACM is the #1 method to win fights because if a better performing plane is flying to its strengths better than the older plane flying to its strength, it should beat or escape the weaker plane every time. That is why the P40s were able to beat the nimble a6ms, they could climb higher (advantage one) and dive faster (advantage 2). This caused sorta of the evolution of building the fastest and most powerful planes.