I am Not a Geek has posted a review on the Cool-View window kit complete with two 92mm blow holes.

This is the panel I cut for the window on my full tower AOPEN case. The Window Kit comes with instruction that are pretty common sense. Things like use window as a guide to line up the holes. It only took me about 5 or 6 minutes to cut out this rectangle with a jig saw, and drill the screw holes. This is much easier then cutting blow holes because as you can imagine cutting a rectangle is much easier then cutting a perfect circle. If you make a little mistake the the black trim should hide it well enough.

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