I visited both the metal working place and the coloring place today and I have some fantastic news:
1. The case should be compatible with the Pure now as well. I made another cut out for the second integrated circuit on the underside of the Pure's PCB and I got another hole tapped between G and H. The cut out should work perfectly since I made it a little larger than strictly necessary and if the hole for the screw is somehow wrong the Pure would still fit inside just without using the middle screw (or you could attempt to tap a hole on your own afterwards).
2. The coloring place can brush aluminum, so we'll be going with brushed aluminum instead of glass beading for the outside finish which should look a lot nicer. They told me that brushing costs "about $4" for the case. I'll have to see how this affects our costs. While it's true that we won't have to pay for glass beading anymore, our final order count was a fair amount under what I had originally asked a quote for so I asked him to give me another quote. However since these are done by hand the cost is pretty linear since you are mostly paying for labor, it's just the setup costs that will be spread over fewer orders. For the most part I think I can absorb this cost myself.
3. For coloring, they can anodize the case for "about $4." This would be just the outer case and not the metal insert. If you wanted the metal insert colored it would be another $3. They only have red, blue and gold and the minimum charge per color is around $90. So we either have to all pick the same color or we could pick two colors but then we'd have to pay double the amount. Because of how anodizing is done we can't tack it anymore and it will have to be glued later. Again I just want to say that while gluing sounds less elegant, functionally speaking it will be more than strong enough to keep the two pieces together, and this had been the original plan anyways. I'll put up a thread for anodizing and PM all the people who ordered cases to get their input.
Production should start on Monday or the day after and should take a couple of days. Anodizing and brushing would take about 5-6 days (they have to "heat up the tanks" which alone takes 3 days).
If any of these changes make you unhappy, feel free to talk about it here or in a PM to me and you can always request a refund if you want to bail out.