I don't regard Demon of the Fall that highly. It's good, but not that good. I did find that with most of their albums I had to give it a couple of listens before I liked it, but that's true of a lot of stuff. Some of my favourite bands at the moment I hated when I first heard them. Once I got into Opeth though, and heard a new album, then it was a case of having to listen to the songs a couple of times to appreciate them because of the sheer length and complexity of some of them, then when you see it as a whole you appreciate it.