Personally, I use MindManager as a starting point for almost everything that requires documenting a process, brainstorming an idea, as a template for procedures, etc. One of the biggest pluses of the product is when conducting online/WebEx sessions with business groups, it's very quick to map out processes, decision points, etc. instead of using other options that take too much time for formatting. The audience always appreciates the visual walk-through. In the division I'm in, it is used by business analysts to document requirements.