Filed under: Cellphones, Portable AudioWe suppose the third time's a charm. AT&T and Napster have quite the history of offering up lackluster deals to customers -- first with that $14.95 Napster To Go scam on Cingular, then the free Napster To Go on AT&T -- but they're finally doing it up right and offering wireless downloads from Napster's 5 million strong catalog to AT&T's music-starved subscribers. Right now your option