When overclocking starts getting extreme, its not uncommon to see people using single or double cascade phase change coolers to keep temperatures down. Even occassionally you will see a triple cascade cooler from time to time, but this is the first time we've ever seen a five stage cascading phase change cooler, and its a monster!

 

(Click the above image for the large version)

While the site is in German, it is easy to see from the pictures that a lot of time and effort has gone into this. Whatever it ends up cooling, it is sure to keep temperatures down and work on just about anything for years to come.

 

(Click the above image for the large version)