1) In the end, both xvid and divx (and other, like ffmpeg or nero) decoders contain fixes for divx/xvid quirks. In software, it is easy. For extra fun, get your

1) In the end, both xvid and divx (and other, like ffmpeg or nero) decoders contain fixes for divx/xvid quirks. In software, it is easy. For extra fun, get your hands on some dvd players, that claim divx support. Yes, they can decode divx, but decoding xvid is much bigger problems for them (it is not about profiles, but about bugs in produced bitstreams).