Wow, I am impressed with these cases. I am thinking of the translucent one myself. But I am surprised how even the Bottle Brown one looks elegant as well. Very sleek looking device even with the case on it. You can find it here:
I ordered a couple off Amazon one should be here tomorrow It looks just like the one in the video but without the Blackberry logo and better coverage of the back (IMO). It appears it's the same material as described in the video.