Microsoft is dropping the letter prefix such as Qnnnnnn to just nnnnnn. This change is effective Nov 7. Old links will continue to work for 2 years. For more info:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;kbnumb
K. Brian Kelley
http://www.truthsolutions.com/
Author: Start to Finish Guide to SQL Server Performance Monitoring
http://www.netimpress.com/shop/product.asp?ProductID=NI-SQL1
K. Brian Kelley
@kbriankelley