I love this song! I was telling my friend the other day that I think in 25+ years that will be one of the "Christmas Classics" from our era, like (the original by Eartha Kitt) Santa Baby, White Christmas, etc etc... This song is just awesome...
In other DFAU news, I read that the single will be available on iTunes December 13. Since the song jumped into the top 10 based on airplay alone I have a feeling it will hit number 1 after this happens!