I was working with a Fujitsu/client project team recently as they were refining their approach to developing a replacement application. My role was to help everybody appreciate what was available in Macroscope that might be useful to them, especially regarding some of the bigger challenges in this particular project.
There were differences of opinion within the client team members about how much the approach should be driven by architectures, estimates and plans vs. a highly Agile approach. We had a good idea of the right balance ourselves, but of course needed client buy-in.