I've searched, but I haven't seen much discussion of this device, so I thought I'd start a thread... I ordered this for myself as on Christmas day. Our mailman brought it today. Wow, this thing is TINY! Build quality on the one I just got seems to be very good. I know there are reviews out there that showed some flaws in the castings. Mine doesn't seem to have any. I haven't taken it apart yet, but I like the fact that it can be taken apart. And yes folks, there really is a difference in the quality of the vape between a device like the MVP that uses PWM and a device that like this that produces true DC at whatever voltage is needed. I've swapped the same tank (the iClear 30S you see in the picture) back and forth several times now, with both units set to the same power (7.5 watts) and the difference is quite noticeable; the vape from the DNA is definitely smoother. I guess that's one of the things that sells Provaris, and to be honest I was skeptical, but it's true. Anyway, this is my new favorite device (by far!). I'll be back with updates as I use it more.