I've not heard of any issues on the G3. The only thing I've heard is that SuperFlower subbed out some lines due to production demands, but as their primo series, it's doubtful that the G3 is among those. That could also be rumor or conjecture, but if true there shouldn't be an issue with quality as it's highly doubtful SuperFlower will let their top selling/cost primo lines me made crap.
As large and powerful as SuperFlower is in the psu industry, you either guarantee the psu gets made to their specs and quality, or they'll find someone else who will. And any decision like that would also have to go through Evga, and they'll not put up with shoddy workmanship in their top line psus either.
So it's a pretty safe bet that the only...