As accountable care organizations, or ACOs, proliferate across the United States, a question arises for both veteran healthcare leaders and consumers: is the ACO something new, or just a relabeling of managed care vehicles created during the last wave of healthcare reform? A well-run ACO offers something better than the managed care of prior years, according to presenters at the gathering of the ACO and Emerging Healthcare Coalition, which took place October 16-17, 2014, in Miami, Florida.