Well, sadly Last Resort got cancelled; but it's so good that I don't regret watching it, even if it's just one season.
Currently watching Deadwood
, with it's 8.9 one of the top 50 highest rated tv shows of all time on IMDB. And it shows; if you can handle the cursing (apparently varieties of "f***" are used twice a minute throughout the show), this is probably the best Western show you can watch. Bless HBO.