I think I have what you are looking for. Check out these pictures.
http://bpond.smugmug.com/gallery/2024704/1/103777449
The feature you are most interested in is the knurled collar at the base of the light head. This is a rotational feature that will provide a truly variable light output. The photos are computer generated as the pre-production parts are being made as we speak. We should be ready to release this in the next couple of weeks with full production scheduled for hopefully the next 30 days, certainly before the end of the year. I have already promised on another post that we would offer a group buy when ready. I cannot speak to any pricing yet as we are still dialing all the component and labor costs. I will say, however, that this will be a Made in USA item and I expect it to be priced in line with other products of it's capability and quality.
This light uses the same head as our CentraL.E.D. work light, which utilizes a Lamina Ceramics BL2000 42 die array. For anyone who has not seen the light pattern that this optic provides then click here
http://www.flashlightreviews.com/reviews/centraled_100led.htm and scroll down. There will also be an optional Blue/Near UV (465nm) light head available. The light has a twisty tail cap switch. It will be available as either standard clear anodize or flat black Type III HA. Power source is 2xCr123A.
I have seen some replies to this post that discussed the technical hurdles to creating this dimming feature. All I can say is that we have a superb engineering department, both electrical and mechanical and they overcame these problems. I will let Steve (Soffiler) address any technical questions you have.
Anyone attending SHOT Show will be able to see it along with our planned launch of a headlamp with the same light head.
Bob