A bevy of debuts flood the Billboard 200 chart this week as the march towards Christmas continues. AC/DC's "Black Ice" holds at No. 1, but a whopping 11 titles enter the top 20. The chart greets arrivals from Pink, John Legend, Toby Keith, Rascal Flatts, Snow Patrol, Ryan Adams, Lady GaGa, the Cure, Michael W. Smith and Bloc Party, among many others ... In other news, we've got updates on Britney Spears' "Womanizer," Rihanna's endless string of radio hits and another top 10 hit for a superstar country band.