Hansen, the 515 seem to have mixed results when it comes to SVCDs: http://www.vcdhelp.com/dvdplayers.php?DVDnameid=292&Search=Search&#comments Perhaps there are different revs of the hardware, perhaps it only plays specific types of SVCD (ie, CBR only). You may want to try experimenting with a few different settings. For example, my players are really picky about SVCD bitrates...