Can you tell us what is so special about the coolcube? It looks like just another solar panel, with some fresnel lenses to concentrate the sunlight.
I admit I know little about the technical points, but haven't schemes like this been tried for years? Why should your plastic lenses be any better than the ones tried by lots of others which, from anything I have heard, are not exactly revolutionizing the energy field. I know one place here in town that has a bunch of solar panels on its roof - no concentrating lenses. He must have spent a bundle on them, but did not think that concentrating lenses would give him a bigger bang for his buck. Good luck with it.
