I'd have to agree. I've only made it as far as the first two, but I've been really impressed with the writing, so far. Can be quite bleak, but I'm more than OK with that. Dystopian and all.
Only one niggling little detail so far (the first two):
It's not dragging me down or anything, but it's still in the back of my mind a lot. For those in the know: feel free to keep silent if I'm worrying over nothing.