I saw the pilot episode of Haven (from the Syfy channel) a few weeks ago and got hooked. It's loosely based on Stephen King's book The Colorado Kid.

The show focuses on the small Maine town of Haven where people with supernatural abilities have migrated for generations because it mutes their powers, allowing them to lead normal lives — at least, until recently. When FBI agent Audrey Parker is called to Haven to solve the murder of a local ex-con, she catches the killer but uncovers a much deeper mystery about this town and its inhabitants. She also begins to understand the truth about her own past and her relationship with the town.