Both of my video cards have dual fan coolers. I like that the cards run cool, less likely to have failures that way. Both of my cards have lasted much longer than single fan cards which means fewer RMA headaches for me and the vendors.
I have not been very happy with Asus etc over the lack of HDCP with HDMI which is part of the standard. Makes it useless for watching Blu-Ray movies. Netflix is way too fuzzy for my tastes. BD has way more bandwidth. Now we have HDCP 2.2 and it is compulsory for video.
With the experience I have with dual fan cards, perhaps AMD should adopt them for their reference prototypes as well.