Getting More Usage and Performance Data from SharePoint (Free)
A white paper was released recently which helps administrators gather and analyze Microsoft SharePoint usage and performance data. It’s pretty clearly written and actually gives a big collection of useful commands for log parsing. Even if you have a third party product that does something like this you may find this helpful or useful in expanding the types of reports available to you.
Have a read and hope it saves you money, time, and improves your awareness of your SharePoint deployment,