No doubt, post-11 September, superannuated goths will argue that the horror film has renewed vital relevance. Our darkest nightmares have become reality, and it's the perfect arena to work out phobias and demons ingrained deep in the collective consciousness. But reality is painful enough - who needs a fantasy realm to understand it more clearly? Great horror films don't just require suspensions of disbelief and reserves of bravura technique, they also need to be able to break taboos. In a movie-making climate where even Spielberg is toning down the innocuous ET for next year's 20th anniversary re-release, the chances of the new wave of horror charting untested waters seem slim.