I found this stuff at/via the following URLs: http://www.iwi.uni-hannover.de/lv/gdw_ws0607/WI151106.pdf (contained names z1-demo2.avi and z3-demo.avi) http://www.411sync.com/cgi-bin/portal?d=1&kw=Konrad_Zuse http://suche.maxic.to/video_Zuse%20Z3.html http://www.iwi.uni-hannover.de/lv/ueinedv/z1-demo2.avi http://www.iwi.uni-hannover.de/lv/ueinedv/z3-demo.avi http://www.zib.de/zuse/Inhalt/Rep/Z3/Z3Rep/Videos/z3-2.mpg