The title of this thread keeps making me giggle so I had to comment...
I wasn't a fan of either of his Halloweens; I thought that, especially the second one had unnecessary arthouse crap in it.
That being said, I really loved House of 1,000 Corpses. It was absolutely horrifying in a disgusting, grotesque kind of way that I hadn't seen before. I appreciated the fact that it tested my nerves without completely scaring me away. I think that the horror was like an artful symphony that climaxed with - SPOILERS - the actual reveal of Dr. Satan (I MEAN HE'S CALLED DR. SATAN).
It's been a while, so I should watch it again, but what really hit me was that the horror truly made my jaw drop - It shocked me. And I loved it.
That being said, I have a hard time watching The Devil's Rejects because of the exploitative, truly disturbing nature of it - Perhaps that's odd because I enjoyed House of 1,000 corpses, but Devil's Rejects made me too uncomfortable to sit through.