Everyone knows that you'll eventually want more power, and you can't get more power from a 420A.
Why do you post stuff like that without having any prior knowledge on the subject? Why not also say the world is flat. I dont have any problems with you personally chris. But ever since you got your DSM its like your mind completely closed off to the fact that there are other cars in the world.
For the original poster...what do you want to achieve with your car. That will help better assess what path to take as far as performing mods.