I don't see a keyboard and mouse being any easier. There are things that you need two hands to do, that you can do with an X-box controller, but not with a keyboard and mouse. Like crouching. You can hold down on the left joystick, and still keep walking. Two functions with your thumb. That'd be pretty tough to do with a keyboard, and still be able to maneuver, throw grenades, and shoot.
Mark
