Biographical Sketch: Cheryl Watson has been sharing her knowledge of IBM mainframe performance analysis and capacity planning since 1965, and has never met an SMF record she doesn't like. In 1994 she helped users convert to the new Workload Manager with her "Quickstart Policy," and since 1991 has written and published Cheryl Watson's Tuning Letter and CPU Charts. Watson & Walker also provide and support two software products, BoxScore and GoalTender. www.watsonwalker.com