Visio is one of those fantastic little apps you never know you need until
you have it. It goes above and beyond the capabilities John touched on; for
instance, since it can open AutoCAD drawings, I am using it to import
engineering "cut sheets" of a client's products since Visio has more
publishing-type features than AutoCAD. I'll then link the Visio drawings to
a Publisher document and the result will be much, much easier to manage and
repurpose than it would had I stayed with AutoCAD.
I've also used it to create really compelling timelines, patent drawings,
house plans and miscellaneous diagrams, and expect to soon begin working on
a project that allows a plumbing contractor to layout plans in Visio that
link to an Access database.
It's one helluva swiss army knife!
Randall Arnold
Visio (and Office 2K3) beta tester 237445