I've thought about this before, but always about the usefulness of putting it in Flash points or Operations. I've always thought that players who are new to content or are maybe struggling through certain areas could use it as a training tool. It may have to be restricted to guildmates or something, but you could pull up a view cam on someone in their guild running that content and watch what they do. Think of it like athletes watching game footage to learn tactics, only in real time.