As long as it doesn't go on as long as The Walking Dead, it's TV show or comic, then that'll be good.
So far the show has barely touched the written material, so they still have miles of story ahead of them to play with. It will be more down to WHICH bits of the original material they decide to play with given to translate certain elements to the screen would (a) be very very expensive and (b) completely enrage a decent proportion of the US populous who can not take religious criticism.
Let's see if it can make it through S2 before we start asking for 5 seasons. The ratings aren't so impressive right now.
Hugo - One look at their faces, and I could tell the Good Lord was using my prayers to wipe his ass