hi i am experiencing converting mpeg1 and vob vidz to divx and xvid. i have the latest codecs(k lite latest) ...and divx latest instaled.i use a-one video converter and xilisoft avi mpeg onnverter to convert between files.the problem is that while the songs files rip very well,movies sometimes fail(in xilisoft) and give sync(very large) errors in both the softwares.what softwares should i use..i mainly use np3 or ac3 for audio.help!