LegionHardware has a review of several aftermarket GPU heatsinks

[Agent_N]

LegionHardware has a review of several aftermarket GPU heatsinks including VF900, VF 700, V1 Ultra, V1, Accelero X1, AC NV5 Rev. 3, and stock cooler on 7800GTX.

http://www.legionhardware.com/document.php?id=525

Edit: I think I remember seeing link to this review earlier in forum thread but can't find it.

 

[Agent_N]

I did notice that the Thermalright doesn't allow for RAMsinks unless you do some heavy modding for clearance. The Zalman coolers allow for RAMsinks and cools the RAMsinks that are around the cooler itself.