Have a look at http://www.newvegasnexus.com/downloads/file.php?id=35430
Not exactly the same but might be of some interest.
Yeah, KD himself recommended that to me in chat. I managed to make my own mod that removes some of the trash textures. It looks a billion times better already, but without being able to extract the textures from the .bsa I can't find the other trash textures I need to remove.