heatsinks aren't like cars...if you have a car...you'd know if its a v6 v8 v10 v16
i920 @ 3.6-3.8ghz isn't exactly a hard load for most after market good heatsinks...
my baseline for any review is the stock heatsink...and we all know if an aftermarket heatsink manufacturer introduces a product...we compare results agains the stock heatsink...its that simple...
just look at the intel stock heatsink..and the sam17..they perform almost similar...which is weird..
miahallen used a noisy delta fan.......i wouldn't use a delta fan on my daily pc