Reuters - For nearly a decade, the Eagles' "Their Greatest Hits 1971-1975" has been the recording industry's ultimate evergreen release, certified by the RIAA as the all-time best-selling album in the United States. But thanks to continued robust demand for Michael Jackson's catalog since his June 25 death, "Thriller" appears on the verge of matching "Their Greatest Hits," at least in the eyes of the industry trade group.