Cooling Fan Roundup 2012 - Other-Components - CPU-Components
Here's a review of some fans from last year. Looks like there are some newer fans missing such as the new corsair fans. Are you looking for fans for heatsinks, casefans, or for radiators? I think there was a review done for fans on radiators a while back. Just google it up.
edit: link for a review of radiator fans.
AnandTech - Choosing the Best 120mm Radiator Fan: Testing Eight Fans with Corsair's H80