Shaan Hurley, Platform Technology Evangelist & Beta Programs Manager for Autodesk has a blog, Between the Lines. On his January 23rd post he spoke about navigating in AutoCAD using the Fly and Walk features. I wanted to pass along that post as I feel they are great ways to get around in a file.
They are also great ways to quickly and easily create an animation for a presentation.
Visit the post by clicking on this link: Shaan Hurley