You can apply filters in the premium version of umbracoStats to your reports. You can filter on sections of your site, a Document Type or a combination of those two:
This is quite handy if you have multiple websites using root nodes, and only want a stat report for one of the sites - say the English version. You can also use Document Type filters to monitor "News" items (or another type) across the whole site.
For developers you can create your own filters, by implementing a ISearchFilter interface (I'll get back to this in a future post with full sample code). This means that you can extend the functionality of umbracoStats to display advanced reports. The premium version also supports running reports on external databases and combining those two functionalities gives you endless posibilities for easy and beautiful stats...