IIS 7 Advance Logging

http://www.iis.net/community/files/media/advancedlogging_readme.htm

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=793051a8-36a0-4342-bdfe-47a6b0e3488f&displaylang=en

http://learn.iis.net/page.aspx/579/advanced-logging-for-iis-70---custom-logging/'