I was looking at MindManager at one point or another when I was evaluating various PIM/mind mapping/brainstorming softwares. I believe that UR is much more superior to MindManager, and once the structure of Data explorer will be possible to display as not just a tree structure, (as suggested here
http://www.kinook.com/Forum/showthre...?threadid=2314), MindManager will have hard time survive ;-)