Using IIS logs, I'd like to see the most common user navigation histories. For example:
this is basic web analytics stuff. you might consider checking out the Splunk Web Intelligence app, it includes a lot of standard views of this sort and teaches you how to set up your own metrics. docs are here:
http://docs.splunk.com/Documentation/WebIntel
note that this app is in beta, so you may need to request to be added to the beta program.