Shania Twain's latest Mercury release "Up!" soars straight to the top of The Billboard 200 this week on sales of 874,000 copies, according to Nielsen SoundScan. The total is the second-largest opening of the year, behind rapper Eminem's "The Eminem Show" (Shady/Interscope), which moved 1.3 million copies in its first week in May. Along with her Billboard 200 No. 1, Twain achieves the same position on Billboard's Top Country Albums tally, where her 1997 album "Come on Over" logged 50 weeks at the top.