Need cheapest gtx 570 for water cooling.

http://www.koolance.com/water-cooling/product_info.php?... 120$
cheapest 570 http://www.newegg.com/Product/Product.aspx?Item=N82E168... 330$ so around 450$ and you void your warranty ?

cheapest http://www.newegg.com/Product/Product.aspx?Item=N82E168... 470-500$ +120$ for the block so it will be closer to the http://www.newegg.com/Product/Product.aspx?Item=N82E168... but with your warranty intact.

So i think it's better to buy already with a block on it same money but less hassle plus you keep you warranty.
Sure you can try buying a block and installing it but 1 mistake you will cry for 500$
and if you would still use your block on your next gpu then you have a good deal but you never know they make different cards all the time .