I have copied two older movies now available in Blu-Ray on two different Blu-Ray burners using compression (25 GB 1080i/p) with the same result. The main movie plays fine; however, the bonus features have sound only and no video. This is irritating for me as I enjoy viewing these informative shorts for classic movies. The movies I am having trouble with (so far) are A Clockwork Orange and THX1138. I ended up cloning A Clockwork Orange using a 50 GB disc and everything works fine including bonus features, this gets very expensive using 50 GB discs! Has anyone else experienced this problem or something similar? Please advise if there is something I can do to get the bonus features to work using compression (25 GB discs). Thanks. 