Here's what you get in Pro that you don't get in our free stats:
Zoomable Fullscreen Map
No Ads
Custom Dashboard Layout
Customize Colors of Stats
Custom Logo
Download Your Stats
Import Existing Free Stats
SEO, Search Terms
Invisible Widget
Private Stats Pages
Auto-Updating Widgets
Uniques & Page Views
Higher Map Pin Limits
Popular Countries
No Limit Log Size
No Page View Limits
Open Stats in New Window
IP Addresses
Increased Accuracy
Referring URLs
And More!