A very useful white paper by Nigel Goult of Olympic Limited showing that MindManager has the differentiating features you need from business mapping software. You may find this useful in justifying the wider use of the application in your business.
WHY MINDMANAGER® SHOULD BE YOUR MAPPING APPLICATION OF CHOICE!
An objective look at choosing MindManager when selecting a mapping application suitable for business
He also mentions the support you can get from the Mindjet International Value Added Partners like Cabre. 🙂