If we're just sticking to the ones still on the air:
Arrested Development(?)
Breaking Bad
Mad Men
Game of Thrones
Shameless
Dexter
Veep
Nikita
Parks & Rec
Sherlock
The Americans
Hannibal
Others I enjoy but wouldn't classify as "favorites" - The Walking Dead, House of Lies, Modern Family, Once Upon a Time, Castle, Arrow
Still need to watch House of Cards.