'80s refrain restrained Bands like Duran Duran are selling lots of tickets but few albums. Nikki Sixx, bassist for the famously fast-living glam-rock outfit Motley Crüe, believes that even 24 years after their debut, his band still has a certain timeless aspect. "If you want to drop the tailgate, get some beer and go to a strip club, that's the Crüe,'' he said the other day before a rehearsal for the band's new tour. Yet Sixx's band, which just released a two-disc career anthology including 1987's "Girls, Girls, Girls'' and 1989's "Dr. Feelgood,'' is returning at a particularly apt moment....