Depending on whom you believe, 3DTV is either poised to make a significant leap in sales next year or fall short of expectations. Executives at an industry summit last week offered an upbeat prediction because of improving technology. But in an interview at the same event, Sixth Avenue Electronics Vice President Tom Galanis demurred. "As an industry we could have done a better job launching it. We should have had standardized glasses and we should have presented it to the consumer as a feature of a higher quality television," he said.