I've only heard the first two and they seem a little spooky/creepy/odd for the sake of spooky/creepy/odd, but I've heard from people whose opinion I trust that the whole series gets a lot better. Plus, they're free and downloadable, so they should be easy to replace.
"The most dangerous man, to any government, is the man who is able to think things out for himself. Almost inevitably, he comes to the conclusion that the government he lives under is dishonest, insane and intolerable." - H. L. Mencken