Let Me In.
 

Very well done remake of a Swedish movie based on a book about the friendship between a boy and a vampire in a 12 year old girl's body.

Just came out on DVD on February 1, 2011.

Strange goof. Look for the $20 bill which has the same Series number even though it shows up twice as being used by the hero in the story to purchase candy. Wheresgeorge (http://wheresgeorge.com) would really get a kick out of one bill showing up with the same purchaser in about a two week period no matter how small the community is.

The bill has serial # A51715273B. Looks like it is a 1981A Series $20 with Donald Regan signing as US Secretary of the Treasury.