I would love this.
I tried Hunch, but effectively they filter by social class, which is too crude. Yes, I have an advanced education, which supposedly makes me Richy McRichpants, but that does not narrow my tastes down enough. (Also, it breaks down completely outside of books/movies/music/magazines. Because I am *not*, actually, rich, and so maximally expensive shampoo is *not* what I'm looking for.)