Organizational Behavior: Flatter Organization Changes

In response to a variety of expected environmental changes in your industry, your business has decided to change its organizational structure to be more consistent with a new strategy for increased competitiveness.  They plan to move from a mechanistic model of organization to a flatter, more organic structure with an emphasis on self-managing work teams. Needless to say, these are significant internal changes, not to mention the external changes which are bound to occur as well. Using what we have learned from our readings, what resistance to the changes do you expect and why? How would you advise key decision makers on the best ways to successfully affect the planned changes?  Share any personal experiences and cite all resources.