A SPECIAL REPORT: CHEFS

SECOND BANANA: Compared to San Francisco, New York and Los Angeles, “in Orange County we’re still lagging a little bit behind in terms of being really, really good,” observes John Sharpe, chef of the newly opened Diva and three other fashionable eateries. . . . “(TV restaurant critic) Elmer Dills and I laugh about what a wasteland this was 10 or 11 years ago. . . . There are a dozen really good chefs here now,” he says.