Open Source file Dialog Box in Acrobat Reader.

The Ability to move from the PDF print file back to the original file openned by explorer file associations.

This helps when hyperlink linking file, wheather to make the pdf the hyperlink ot the orginal document the hyperlink, with this option available in the reader then linking to the pdf also means you have an automatic link to the source file.

Assumptions could be made that the files reside in the same directory, or following the embedded path back to the origianl document.

or the path is the current pdf path and the filename is the current pdf filename but the extension is a wildcard "*" thus allowing you to pick the equivalent file or pass over to the source file manually.