Despite a 45% sales drop from last week, George Strait's "50 Number Ones" (MCA Nashville) notches a second week atop The Billboard 200, with U.S. sales of 190,000 units, according to Nielsen SoundScan

Despite a 45% sales drop from last week, George Strait's "50 Number Ones" (MCA Nashville) notches a second week atop The Billboard 200, with U.S. sales of 190,000 units, according to Nielsen SoundScan. The title also retains its hold on Billboard Top Country Albums.

Strait beats out close competitor Usher, whose reissued "Confessions" (LaFace/Zomba) holds at No. 2 on a 49% decline from last week to 176,000.

With a 5-3 move, Nelly's "Suit" (Derrty/Fo'Reel/Universal) continues to prove more popular than the simultaneously released "Sweat." "Suit" is this week's Greatest Gainer, jumping 17% to 144,000 units. "Sweat" continues at No. 12 for a second week, on a 2% slide to 62,000.

Celine Dion's lullaby collaboration with photographer Anne Geddes, "Miracle" (Sony), is The Billboard 200's top debut, at No. 4 with 107,000 copies. The set features an accompanying book of images by Geddes. The first single, a cover of John Lennon's "Beautiful Boy," is No. 34 this week at AC radio. Dion's last studio album, 2003's "One Heart," opened at No. 2 with 432,000 units and has sold 1.7 million overall. The Canadian songstress boasts a career sales total of 46 million.

Rapper/actor Mos Def earns his highest Billboard 200 entry with his first solo album in five years, "The New Danger" (Geffen). It enters at No. 5 with 95,000 copies. The set boasts appearances by Black Jack Johnson, the rap/rock supergroup Def started four years ago, as well as Parliament/Funkadelic's Bernie Worrell, Bad Brains' Dr. Know and Living Colour's Will Calhoun and Doug Wimbish. Def's 1999 debut, "Black on Both Sides" (Rawkus), bowed at No. 25 with 54,000 units and has sold 618,000 to date.

Sum 41 makes it into the top tier with its sophomore Island effort, "Chuck." At No. 10 with 66,000 units, the set grabs the pop/punk act its highest bow on The Billboard 200.

Duran Duran's "Astronaut" (Epic) enters the big chart at No. 17 with 54,000 units, becoming the new wave icons' highest-charting album in 11 years. The group's 1993 self-titled set, known as "The Wedding Album" (Capitol), bowed at No. 7 with 79,000.

Overall U.S. album sales are down 3.5% from last week to 10.6 million units, about 13% lower than the same week last year. Sales for the year to date are beating those of 2003 by about 5%, at 485 million units.