i was driving over 120 miles and i feld that the car needs a faster brake answer, after several stops the brakes was too hot and after that i feld a litlte vibration in the sterlin wheel, i am from venezuela, in my country the speed control is not a problem ...
On the cheap side,
a set of new rotors, and brake pads will slighlty improve your braking.
If your looking for something a little more serious to stop the car.
a 4pot front brake, (and 2pot rear if you have the cash to add) is definatly the best solution.