IIS Goodies
Remember the following tools ?
Log Parser 2.2
SMTPDiag 1.0
AuthDiag 1.0
SSLDiag 1.0
Now, Microsoft is distributing above the tools together and it's called IIS Diagnostic Toolkit, get the (x86) copy here. It will include the above 4 utilities that will make your life with IIS easier !!
source: News from IIS-resources.com
Next, SQL report pack for IIS :) 12 predefined report templates. Equiped with log parser 2.2 above, you are ready to populate your own log db and customize the reports. Please take note that this report pack required SQL server + SQL reporting services.