A few years ago I had an opportunity to contribute articles to Windows IT Pro Magazine. The articles are still available online.
Monitor System Startup Performance in Windows 7
Jul. 26, 2010 | http://windowsitpro.com/windows-client/monitor-system-startup-performance-windows-7
An Easier Way to View Incoming WMI Queries
Sep. 24, 2010 | http://windowsitpro.com/windows-client/easier-way-view-incoming-wmi-queries
Reap the Power of MPS_Reports Data
Mar. 23, 2009 | http://windowsitpro.com/windows/reap-power-mpsreports-data