I suggest you opt for a laser mouse if you are gaming at 4000 DCPI. An optical sensor will benifit more a low senser than a high senser.
http://www.newegg.com/Product/Product.aspx?Item=N82E16826104676
If you dont mind it being refurbished, this mice seem to be what you are looking for.
http://www.newegg.com/Product/Product.aspx?Item=N82E16826104676
If you dont mind it being refurbished, this mice seem to be what you are looking for.






