OK!
Finally got my DP4 upgrade and is up and running with only a few minor obstacles.
( NOT Motus fault b.t.w. )

But?
In DP4 i only get the 7 banks of sound in my E-mu Proteus 2000.
I seems to be the CMPSR-banks, not the USER-banks, this only a little annoying.
( USER-banks 0-3 == COMPSR-banks 0-3 )

But there also seems to some sounds missing altogether, among them the "Accoustic 1" drums.
( of course the very one I tend to favor ).
Anybody have any ideas tips ot tricks for this?

Cheers: Dixiechicken

I answer my own post.

Patchlists in DP4 is witten/stored as xml-documents in the following path.
/Library/Audio/MIDI Devices/MOTU

This is a really simple clever solution, by following the proper doc-syntax & naming convention
you can in BBEdit or just about any text-editor edit your own custom patchlists.

Check out link below for short info:
http://www.osxaudio.com/forums/viewtopic.php?t=2125

Cheers: Dixiechicken