Personally, I could care less about the codecs being pushed by the big name companies. DivX is where it's at, as far as I'm concerned. Of course, I'm not the mainstream consumer looking to put their first multimedia machine into their home, either...

"There is a battle of epic proportions shaping up between Sony and Microsoft over the storage, delivery and management of digital media in and around the home. At stake for Sony – its continuing dominance of home entertainment electronics as it enters a new era. For Microsoft, it’s about winning or losing new territory for the Windows OS as the market for productivity PC’s matures."