High-end web analytics products (omniture, coremeterics etc) offer mature analysis tools, but at the same time are both time consuming to set up and have significant costs.On the other hand, Saas-based and/or affordable solutions like google analytics and co (eg. clicky, mixpanel etc) do not incorporate advance analysis capabalities. What missing analytics feature would bring the greatest value to your web analytics ?
Examples of features:
1) OLAP/multi dimensional analysis:Breaking down traffic stats by attributes of your own choice eg. traffic KPIs by count by time And region.
2) Attribution/lifetime analysis : visitor satistics based on customer lifecycle. eg. how many times did the customer visit your site before making progress in your funnel ( http://blogs.adobe.com/digitalmarketing/analytics/do-we-need-an-advanced-marketing-attribution-model/ )
3) Dynamic funnel/path analysis: Analysis of not just only a defined funnel flow, but also to see the Top N paths taken by customers before arriving at a goal.