i think its a hilarious consept, but vanpire movies are so generic, its just the same old john woo stuff.
If you've got the time this is one of the most interesting lectures I have ever seen. Being able to undermine the simplistic Freudian explanations and replace them with a mechanical explanation using the known neuro-anatomy of the brain is simply mind blowing. He's also got a refreshing sense of humour for a neuroscientist!