Does replacing the stock TIM on a reference 680 make a difference in temps? (edit:No)

[Ferzerp]

I'm pondering one of these:

http://www.newegg.com/Product/Product.aspx?Item=N82E16835186067&Tpk=680%20cooler

It's way over-priced, but I'm willing to pay too much instead of having to adapt something else to work that was made for a cpu or the like.