There are already codec packs that include conflicting codecs plus media players, even pirated BSPlayer. If you feel those distributives are better than manually chosen decoders, use them. BSPlayer should not become yet another codec pack.
You can see some users at this forum believe that, for example, hacked Microsoft MPEG-4 codec is a better choice for DIV3 video and both XViD and DivX 6 should be used for MPEG-4 ASP files. Others (like me) use ffdshow to decode those videos.
List of recommended codecs