These sites that are using Amazon sales rankings are kind of ridiculous but they show general trend movements. Of course, HD-DVD was the "winner" for several months because they were first to market. But now several of the charts are starting to flip positions, Blu-ray starting to "win". More ominous for HD-DVD is their rankings have remained relatively level, or declined, while Blu-ray has started sky-rocketing up. It used to be the xbots swore by The DVD Wars site results. Let's see what their position on the site is in another months or so...

http://www.eproductwars.com/dvd/