There were also issues with the driver. There was a re-release a coupe of months ago. The new version has a black tailcap instead of blue. Quickly after its release, the first video of a faulty one showed up on YouTube:
[video:]https://www.youtube.com/watch?v=No8FTV5Lmu8[/video]
I do think (without owning one) this is a great light (if it works).