I wet demoed the SubFrame mask yesterday in the pool along with some others. It was the black skirt with the blue trim on it. A couple of observations.
The blue trim is translucent which I found being able to see the blue highlites around the mask slightly anoying. It would be better if the trim was fully opaque so that light did not come through. It could still be blue and you would see blue but with out the light coming through it would be less distracting.
The other is that the glass is clear which compared to my present mask was basically the same. This is because I have prescription lens and though they are off the shelf lens for my old Sherwood mask they are also clear. Compared to a similar Tusa mask that I also tried there was a very slight difference. I am sure that compared to some lens there would be a greater difference to not much at all.
Overall FOV in the water was similar to other masks with one exception I could see lower than my current mask.
That said after trying on all of the masks I decided to buy one and have perscription lenses put in it. The cost difference over some of the other masks I tried that I could put prescription lenses in was $0 to $30.
I decided to buy it because it was different and it was time to get a new mask. (My current mask is 14 years old and if the skirt blows I would need a whole new mask as the skirt can not be replaced alone). Of course the same this mask ;-).
BTW Not sure if folks have seen this but Atomic won a design award for the SubFrame:
http://en.red-dot.org/283+M5d61ee6aa9b.html
Surprised they are not pimping it on their website.