[bigel]

I know others have definitely made use of 964 panels on a 930. A search brought the following threads...

http://forums.pelicanparts.com/porsche-911-technical-forum/608853-911-964-interiors-interchangeable.html

May not be exactly what you're looking for, but the following link is very cool, albeit involved and custom. That said, 'FLYONWALL9' has done some incredible work with 964 panels in his '87 Targa.

http://forums.pelicanparts.com/porsche-911-technical-forum/632476-new-audio-install-87targa.html

Good luck to you...