Enjoying it far more than the previous 2-3 seasons (season 1 is still the best and most likely will remain so).
However i agree with some here that the cast needs thinning right now.. at least a third could go without an impact on the show i guess, first amongst these is Terry and his problems. While i really like the actor and the character he doesn't really add much to True Blood as he and his family are quite separate from the main cast of Vampires and they rarely intersect.
It's nice to see some other supernatural elements that are not related to Vampires but it's a miniseries and time is very scarce so i'd like them to concentrate on the main plots.
Second would be, and don't kill me

, Lafayette. I love the character (maybe my favorite in season 1) but he's become the male Tara of the show.. still human (somehow) but basically a victim for everybody. His sass and attitude from season 1 is mostly gone and he's just pining/in deep sorrow after Jesus and doing weird things with his magic he can't control (he'd be awesome as a true mage/shaman/whatever who goes to kick some ass and restore order to Bon Temps).
Tara is also someone who could go.. she was grating in past seasons when they took the victim aspect to the extreme but after they turned her it's still not the thing since we already have Jessica to explore the angle of what it means to be a newly turned Vampire (however i loved the fight between them at the end of the episode

).
However what i believe is the biggest flaw of the show is the scope.. everything world changing or powerful is apparently concentrated within driving distance of Bon Temps.
The main ruling body of the Vampires, its most powerful (political/physical) subjects, their enemies, basically any variant of supernatural finds its way to that little village. I'd hate to see New York in this world.. you'd maybe not be able to throw a rock without hitting a supernatural.
We now know that there are millions of Vampires around the world (i seem to remember that the chief of the Authority mentioned something like that) but we are still confined in storytelling to the Louisiana territory. I know that part of its charm is the Southern US setting but the show has moved past the books so why not expand occasionally, especially when you introduce the worldwide Vampire government/organization.
Speaking of books.. how close is the show to the books? I have only read the first one and it was pretty close (with the omission of a particular funny and disturbing Vampire.. i'd really have liked to see him

) but have read that with season 2 and 3 they've made some major changes and deviations.