Rage3D Tweak Utility and improving DVD PQ

I just downloaded rage3D tweak utility for ATI cards - support for 9800 series was added recently so I decided to take a shoot at it. Any suggestions what tweaks could be relevant for PQ of DVD playback.? I use VMR9 as my renderer so I assume there should be a way to optimize performance for DVDs. Any input will be appreciated.


Thanks.


Vlad