Of the shows listed, I've only seen Dexter and Walking Dead. For Dexter, I would only recommend the first two seasons and maybe season 4. For Walking Dead, only if you're into heartfelt human dramas with the occasional zombie thrown in.
I would heartily recommend House of Cards on Netflix.
"And so he spoke, and so he spoke, that lord of Castamere. But now the rains weep o'er his hall, with no one there to hear." - The Rains of Castamere