Now, there is a Treemap available, showing the most viewed discussions of this forum, for the last 24 hours:
By clicking a forum name on the map, a new image is displayed, showing only the discussions of that forum:
And when clicking a topic title, the forum discussion is displayed in a new browser window.
The URL of this Treemap is http://www.mibuso.com/forummap
Hope you like it, and find it useful.