Not sure if Petsoff still exists, however it is still found by Finnish enterprises database over here:
http://www.suomenyritykset.fi/PETSOFF%20KY/9067393Last time I heard/read about Teemu Suikki who designed Dblscan 4000 and Delfina soundcards was in 2003 interview of MorphOS developers (Teemu and Harry "Piru" Sintonen) in SAKU (magazine of Finnish Amiga Users):
http://saku.amigafin.org/lehti/online/43/muut/haastattelu.htmlMost recent contact information should be found from here:
http://www.z-power.fi/yhteys.phpDidn't Schoenfeld/Individual Computers do new versions of Delfinas? Maybe we will get new Dblscan 4000s from there sometime in the future?
EDIT: doh, most of what I wrote here was already written at that eab-thread. However, most recent email address might be that z-power one.