I reviewed it a while back, it's not incredibly horrifying but has a cool fairytale vibe and some nice vampiric scenes. It's one of those films that is really unusual and has a interesting atmosphere to it.
__________________
MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.