For a customer perspective, check out Avinash Kaushik's books on web statistics. They are highly recommended and full of best practices that you should be aware of. Of course, if you are really ambitious you could reach out to him and others in the industry to find out a niche.

Web Analytics: An Hour a Day: http://www.amazon.com/Web-Analytics-Hour-Avinash-Kaushik/dp/...

Web Analytics 2.0: The Art of Online Accountability and Science of Customer Centricity: http://www.amazon.com/Web-Analytics-2-0-Accountability-Centr...