I have diving deeper into Google Analytics this week to optimize and to know more about my websites. This is some of the articles that I think is worth of your reading

Beginner guide for Google Analytics

Google Analytics post from Problogger. This is where I found above post

A lot of Google Analytics posts at Labnol Digital Inspiration

Lengthy post from kaushik.net about new Google Analytics version

Google Analytics practical guide (in pdf format) from morevisibility.com

SEOBook guide how to use Google Analytics to track down your Google Adsense click

Google Analytics plugin for wordpress

What Matt Cutt said when Google Analytics just released

Google Analytics and Feedburner Reports plugin for WordPress (and it fix)