Visualizing data can be an effective way to spot things that are usually hidden behind the scenes.
In that respect I like to visualize code in different ways and with Gource we have one way to visualize code changes. So using 'Animating JBoss projects with Gource' as a guide I made the following video:
Although it's a beautiful video, I fail to find any data points in it that might be useful.
But maybe after you've seen the video you can spot some?