I want to be clear, I did have to RMA a card but it was one of the first gen EVGA GTX 670 SC cards that were part of the faulty batch. I had it replaced with a FTW model and all has been well since then.
If there was a common issue, I am sure you could see it here.
http://www.hardware.fr/articles/881-5/cartes-graphiques.html
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