I was recently pointed to Maga Design Group. Clever and interesting design maps. See their site for more information. They also have a blog:
" ... Our visual information maps are used by senior executives and their leadership to build any number of strategies across their organization, that is communicable to partners, sponsors and other internal and external stakeholders. Through the mapping engagement, the discovery process acts as a vehicle for shared understanding and generates measurable outcomes for the organization(s). Visual Information Maps simplify complex information, focus on the most powerful and significant ideas and concepts, are contextually aware and relevant, and allow both executives and their customers to arrive at meaningful insights ... "