The 2009-2010 season will not lack for operatic activity here. The debut of Baltimore Opera Theater at the Hippodrome is planned. Two chamber-sized troupes, Opera Vivente and American Opera Theater, will have a sizable presence. Peabody Opera Theatre will be as active as ever. With Baltimore Concert Opera's full season, too, there certainly will be a good deal of void-filling options. No, it's not the same as having the Baltimore Opera Company up and running, but it's nothing to sneeze at, either.