I'm finishing SOA, 4 episodes left - And god, I loved every part of it, specially after season 3. I've already watched Breaking Bad, so I was looking for a similar series. I love mob/gangster series/movies if that helps (like the Godfather and Goodfellas)
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you