Its not as bad as the picture shows. The glare bounces back to the camera lens. Its no different in my opinion to most stock HIDs. I wouldn't say its less annoying than the stock xenons in my E70 and 330. The focus of your headlight plays a major role on whether your lights will be blinding or not. But as I read in one of the threads, I've never heard anyone get pulled over due to a misaligned headlight.
Anyway I can't say anything about the quality since its still new but a lot of people on this forum has bought these kinds of lights and are fairly happy (Xtralights, Prolumens, etc).
I also order OEM xenons and will get it soon but its fun to test products like these.