Up for sale is a water cooling block for the ATI Radeon 5870 video card. This will allow you to run your card even cooler (even with an aggressive overclock) than stock, leading to a less hot room/computer. And best of all, it will be quieter than all other 5870s, so if your computer fans are annoying you, this is one great way to reduce system noise!
This item regularly retails for $100 (http://www.koolance.com/water-cooling/product_info.php?product_id=1022), so you'll be saving $35.
Note, this item is used, since I used it on my 5870. Also, this is *not* a complete water cooling system that will work by itself. I just want to avoid any misunderstandings.
PM if interested.
P.S. I have two if you want to get two of them for your dual 5870 setup.
If you get both, then feel free to knock off 1 bitcoin from the total price (or $6).