I use this or the cheaper GT model bro...
http://www.performance-pcs.com/catal...ducts_id=26480
I use the back plate and studs from the cascade for quick mounts and swaps.
I'm also getting ready to add a second block for AMD use on the Boreas. When one is not in use it will hang on the side of the torture rack cooling nothing but itself. That is my biggest headache...breaking the loop to swap waterblocks.