This excellent Wikipedia article has a table which compare traits given to vampires in folklore and fiction. The categories are: Appearance, Weaknesses, Supernatural Powers, Reproduction, and Similarities in plot settings.

Avatar's Sam Worthington is in talks to star as the original blood-sucker in "Dracula Year Zero," Variety reports. Don't confuse this with "Vlad," the Brad Pitt-produced look at the life of Vlad the Impaler, Bram Stoker's inspiration for Dracula. "Year Zero" is fantasy fiction, as director Alex Proyas told us back in 2008. He's still set to helm the flick, with a script from "Flash Gordon" reboot writers Matt Sazama and Burk Sharpless. The story will blend fact with fiction as it follows Vlad III, real-life 15th century Prince of Wallachia, on his road to immortality. Essentially, we're looking at an origin story for Dracula.

CSI: NY has an upcoming episode about the sanguinarian vampire lifestyle which will air February 3 (10PM, ET/PT) on CBS.
“The CSIs team found themselves involved into the obscure world of modern vampirism cult in which blood sharing is at the core of an eccentric but allegedly spiritual brand of religion as a young woman is found dead by exanguination in the Central park snow, drained of blood, with her earlobe chopped and a puncture wound in her neck.”
Now if only Nick St. John had to be called in help with the investigation...