Polaris is a free desktop client for Google Analytics for single website.
To monitor multiple websites, Polaris costs $15 per year.
Below are some snapshots of Polaris.

The Dashboard

Visits Overview

Traffic Sources

Top Content

Referring Sites

Map Overlay

Shows which keywords are used mostly on searches.
How to get Polaris
Click here to download Polaris.
Click here to download Adobe Air (required).
