I like all of these except the Repo one. I watched it until I realized there is a disclaimer at the beginning of the show that says it is "based on real events."
Silly me - I'm not even exactly sure what qualifies as a cable show. Some of these answers have confused me. I definitely like Dexter. I like Californication but Season 1 was a hell of a lot better than Season 2 IMO.
My gf likes this Gene Simmons reality show so I have been stuck watching that a couple times. I don't have much use for it.