I think it depends on your hand size. To me the PS-controllers have always felt way too small. The joysticks are too short, the buttons are too flat and the... uhm... thingies that you hold your palm on are way too small as well.
Not to be a dickhead or anything but you have seen the xbox controllers havent you??? I dont care what anybody says playstation has always had one of the best controllers.
The original Xbox controller was horrible - quite possibly the worst of all time. But the 360 is just perfect. All it needs is a better D-pad and it's perfect. Love it.