A small error in the review:

I noticed that the review on page 5, Test Configuration, links the Noctua NH-C12P, a top down cooler, but the picture shows a tower cooler. Looking closer I realised you guys were referring to the NH-U12P

I wonder if the high static pressure fans would work well as intake fans in a positive pressure build, say a Silverstone SP07

I leave it to others more knowledgeable than I whether this affects cooling or noise. I am by no means an expert, but judging by the number of reviews saying that the GPU is hotter than it should be, wouldn't an upside-down PSU actually draw more air towards the GPU and help with the temps? In esse...

I'm no expert, but perhaps you can try using soft fan mounts, like the Acoustifan ones. Also one edge of the top fan is screwless so you can't do much about that. Unless you go a bit mod happy and file the fan edge down, and use some kind of anti-vibration strips. Or you can just not use the fan alt...