According to a report by Wired's Meghan Keane, YouTube is testing stereo sound as a default option for videos and is also offering very high quality HD versions of a small selection of clips. We weren't able to find a lot of videos that were encoded in the 720p HD format, but it is important to note that this is different from the 'watch in high quality' option YouTube already offers, which only features a resolution of 480x360 and which doesn't look half as good as the 720p option. It would not surprise us if Google was adding these options... [Tags: 720p, content producers, default option, google, hd]