I'd started watching this last year (1st season), but only did about 4-5 episodes.
[rant]
I was going to rewatch it and finish the 1st season before starting the second, but those pricks at Comcast are charging $3 an episode for previous seasons now. I'm so glad the powers that be allowed Comcast to buy NBC/Universal. Service providers like them should never be allowed to own content creators, and apparently their "concessions" to not charge for such expired early this year, but I digress.
[/rant]
At any rate, I've been watching the 2nd season. Intense show, and so far I'm impressed. I think I read one reviewer stating that it was the new Breaking Bad. Not too far off!