Just a few months ago I wrote a post about what Power View features were supported by Silverlight and HTML5 versions of the product. Today I had to make some corrections, as Maps are now supported in HTML5.
The Power BI application for Windows 8 still does not render the map (or the scatter plot for that matter), giving me an error in German for some reason:
In any case it is very encouraging to see how new features are being constantly added to the product.