I use it for cooling my processor! Imagine that....
Well acctually that is what I use it for because I used to have a volcano 7+ but I learned that it isnt very wise for some people to buy big heavy heatsinks when they are still n00bs. So I put it on, crushed the core, and was afraid to put it back on. So once when my comptuer was at a repair show (I was still a n00b), the guy took my heatsink off and had it laying on the counter copper side down, so now it has scratches on the bottom. So the other day I overclocked my video card some and I couldnt get enough of this overclocking stuff, so I went to put it back on, but my temps weren't much better than with my stock HS. So I took it off, and I am going to lap it. Then I will put it on again.