Windows operating systems include performance monitoring. The information collected by specific counters can be used by applications to make informed decisions. Diskeeper has been using certain counters for several versions, and leverages this information significantly in v2007. There are seperate counters for your major componenets; processor, disk, memory, network. Windows employs a filter driver to collect data and report on these components. If you've ever run perfmon, you can see v2007 uses the data generated by these drivers. It will programatically