Devol, Oklahoma - In true Las Vegas fashion - complete with celebrity impersonators, showgirls and Playboy Playmates - the sparkling Kiowa Casino threw open its doors Wednesday to a rush of people in pursuit of filling their pockets with cash. As quickly as the doors to the new gaming facility opened, a massive crowd of gamblers pushed and shoved their way in, filling virtually every slot machine and most card tables on the 63,000-square-foot gaming floor within minutes.