In the process of getting my AMD gaming build together and looking at the fans. For the record affordability of the models I will mention is a non issue, but I don't want to spend extra $$ on something for no reason if it's not necessary. I have been looking at the Corsair H100i GT, the Cooler Master 212 EVO, and the Noctua D-15.
I will be running an AMD FX 8350 most likely on a sabertooth MOBO and do plan on overclocking but I'm not trying to go to the exrtreme on the OC, just as much stable performance as is reasonable. Case is a Fractal Design Define R5.
If you can grab one, the Cryorig R1 universal performs about the same as the NH-D15 and looks nicer too. The phanteks TC14PE is also a good'un. The 212 EVO isn't the best, it's good for the price, but not the best.
Probably the R1, but that's solely over the aesthetics. Have a look at some benchmarks, there's surely some floating around on the pile of shit that is the internet.