I have them, and honestly I don't use them. They are only 10 dollars USD so it's not like a major loss for me, but I just don't see the advantage to them. It's like having a Scuf Controller. It might give you a SLIGHT edge, but not enough that you'd want to invest into it.
Gunnar Optiks though, those expensive "gaming" glasses (see:
You must login or register to view this content.) THOSE are worth it. Pulled a few all nighter gaming sessions in my time, and nights I don't use those, my eyes kill me when I'm done.
Those are just my honest thoughts on them.