DECADES 8214 1/2 Melrose Avenue, Los Angeles, 323-655-0223 Favorites of David Arquette's, the atelier-style Decades represent a new trend: vintage European designer clothes. For those with discerning taste and disposable income, these boutiques carry pristine Gucci, Hermès, Halston, Cardin and Courrèges from the '60s through the '80s.