@Ben_H: I expected Laguerta to go, too. But definitely not by Deb. And definitely not while Dexter's standing there in his butcher get-up. The butcher digs still unsettle me, actually. I think they should go and show him dismembering and doing the dirty clean up work to drive home that he's a god damn monster. Maybe they did and I just repressed it.
Nah, they've never shown it. I agree, that would be some powerful imagery. It's easy to think of Dexter as the good guy in the show when all we see him do is stab bad guys in the chest. Nice, quick, (relatively) clean, and easy. Nothing too disturbing about that. It's when you actually stop to imagine him chainsawing the bodies into pieces, bagging them up, cleaning up the blood, all with a serene smile on his face like he's doing some sort of fucked up, macabre yoga that what he is really sends shivers down your spine.
I'm curious as to if they'll continue to take him down the path of becoming a total irredeemable monster in the final season, since they've taken it to a point where there really is no going back now. This is the first season since either 2 or 4 where I feel like there's been honest to god character development that they can't just sweep under the rug to return to the status quo. They've committed to this, and I'm excited to see it through.
EDIT: Just rewatched the first episode of the series. They do in fact show Dexter finishing up after a kill. Just a brief flash of it, putting a dismembered leg in to a trash bag amidst a bloodied room of cellophane and plastic sheeting, but it's nothing too explicit. Not the actual act of cutting up the body, at least.