The PS controller is second nature for me, I love the shapes. In fact, I have trouble for anything other than the shapes; Triangle, Square, Circle, X is very intuitive.
I hate that the new PES for PC all come with the 360 button layout instead of the PS one like the old PES, luckily I have memorized what button does what in the game, but in the tactics set up I always mess up, I wish they would have stuck with the more easily memorizable PS layout