Ashlee Simpson maintains her sales stronghold, topping the charts again this week. Simpson's Autobiography sold an additional 260,000 copies, according to Nielsen SoundScan, which puts the album over the 1 million mark. Simpson bested Now That's What I Call Music! 16, which holds the Number Two slot for the second-straight week, after selling 250,000 copies.

Shyne's incarceration is not preventing him from visiting the charts. The rapper, who is doing time for his role in the infamous P. Diddy/J. Lo nightclub shooting, saw his second disc, Godfather Buried, debut at Number Three, selling 160,000 copies. Another rap album, Amerikaz Night Mare from Mobb Deep, debuted strong, selling 109,000 copies, landing at Number Four. And the top five is rounded out with a third debut album: Alter Bridge's One Day Remain. The band, comprising former members of Creed, sold just under 100,000 copies.

This week's batch of debuts forced laidback crooner Jimmy Buffet to cool down a bit. The singer's License to Chill dropped from Number Three to this week's Number Seven slot, selling 77,000 albums. While a bevy of new albums forced steady contenders down the charts, rap outfit the Black Eyed Peas rose three slots from Number Twenty-one to Number Eighteen. The group's Elephunk has been on the charts for over a year, as have rockers Maroon 5's Songs About Jane (Number Twelve) and Switchfoot's Beautiful Letdown(Number Seventeen).

With no blockbusters hitting record stores this week, Ashlee and Shyne should square off again next week.

This week's Top Ten: Ashlee Simpson's Autobiography; Now That's What I Call Music! 16; Shyne's Godfather Buried; Mobb Deep's Amerikaz Night Mare; Alter Bridge's One Day Remain; Usher's Confessions; Jimmy Buffet's License to Chill; Gretchen Wilson's Here for the Party; Prince'sMusicology; and Avril Lavigne's Under My Skin.

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