Read new case studies of high-performance health care organizations on WhyNotTheBest.org, a Commonwealth Fund health care quality improvement resource offering easily accessible, comparative information on health care performance. The new case studies are: The Valley Hospital: Leaders Set the Tone for Patient Service and Satisfaction; The New York City Health and Hospital Corporation: Transforming a Public Safety Net Delivery System to Achieve Higher Performance; and Parkwest Medical Center: Focusing on Patient and Staff Satisfaction.