what mpeg4 codecs do you use?
i am using adobe premiere pro 1.5..and think that the best 3'rd prt program for rendering is canopus pro coder.
there is a big problem if you will render dirctly from premiere into divx...there will be a lot of artefatcs
but not with canopus
but there is a bad thing..
if i render a clip through adobe premiere using canopus plugin - i am not able to import that clip in premiere..to be used as a source for other clips