Quite simply 3D Control devices mirror the 3D environment you are working in and give you a more immersive experience and a greater amount of control over the model you are manipulating.

A 3D mouse for example will provide you with greater balance and dexterity as the mouse movement and rate of clicks is reduced. In effect the object becomes an extension of your own arm fatigue is reduced and work (or play!) rate increased. You also have the option of working two handed with these products, increasing your work rate significantly.