1 2 3 Not yet :) 4 you must find a prod who export 3dm (Open Nurbs) or IGES IGS for import it in Moi:)
2 Bis Not Group but copy with Instance :) Copy with History : can make the same than a copy by instance http://moi3d.com/forum/index.php?webtag=MOI&msg=245.3
EDITED: 15 Jan 2007 by PILOU
