This idea that one controller can be "the best" overall has to stop. Modern controllers based on the Dualshock design are great for shooters, action and action/adventure games, RPGs, 3D platformers, hell even sports games.
But if you're playing Pac-Man or Galaga, the Dualshock is a horrible controller, and THIS:
is still the king.
Likewise, the Dualshock is not recommended for fighting games when the alternative is something along these lines:
or even this:
There is no "one controller to rule them all." Many different controllers -- not all of course, some are just awful -- have equal merit depending on what you're playing. The Dualshock is not and never will be the be-all-end-all of gaming input devices, nor will any other single controller design.
