“Beginning in fall 2007, it will make the new arts center’s 2,750-seat Williams Theatre its home. The move is historic: It marks the first time a major-city opera company will leave its established location within a city and move all its performances to a suburb, according to Opera America, a service organization based in New York. And though metro Atlanta’s reputation may be that of one large, sprawling landmass, for the opera, being in Cobb County could present an uncertain bundle of financial, sociological and political ramifications.”