With Thanksgiving in the rear-view mirror, Incubus achieves its first No. 1 on The Billboard 200, as "Light Grenades" debuts ... the long-delayed second studio set from Clipse finally makes its entrance, starting at No. 14 on the big chart at No. 2 on Top R&B/Hip-Hop Albums ... In other news, Christmas albums continue to invade the upper reaches of the charts, Chris Daughtry is the first "American Idol" finalist to reach any of our rock radio charts and Fall Out Boy returns with the first single from its upcoming album.