PureOverclock posted a review of the EKWB FC-5870 GPU Water Block.
A quote from the article:
>> EKWB FC-5870 GPU Water Block Review
If you are a water cooling user then you have probably heard of EK Water Blocks. EKWB specializes in water cooling products,and just one of their many offerings is the FC-5870, a full coverage block designed for the Radeon 5870 flagship card. Today we have the opportunity to test this GPU water block on the bench and find out how well it performs in keeping the beast cool and quiet.
>> EKWB FC-5870 GPU Water Block Review