The popular Excitech Revit toolkit has now been updated to fully support Revit 2013 enabling users to schedule pile coordinates and most Revit elements to show X,Y and Z coordinates.
The great news is that the toolkit is entirely free and can be downloaded here:
The installation process is very quick and registration and activation is instantaneous if you have an internet connection. Included with the toolkit is a comprehensive user manual which guides the user through the operation as well as installation.
Here is a link to my YouTube video showing a very quick example: