I found somebody who’s doing a similar project for the Mackie C4 midi controller;
[url:14p9yjx2]http://mapage.noos.fr/michael.rosner/C4DESIGN/Mackie%20Control%20C4%20TrueLayouts%20Design.html[/url:14p9yjx2]
He’s working on layouts for old hardware synths and fx and I was thinking that maybe you could work together or exchange information about midi specs and xml’s.