Absolute Log Analyzer Professional
Absolute Log Analyzer's reports gives you an opportunity to look at all of the aspects of your web site traffic including what draws visitors to your web site, what are people searching on your site, which country is most active and so on. There are more then 60 different reports and all of this information can be fine-tuned to meet your particular needs. Professional version provides you with instant filters, full command line support and ability to analyze huge log files.