I live in Google Reader and I am sure many of you do also, based on my FeedBurner statistics at least. That being said, Google continues to make Google Reader more useful and they have asked in a recent Google Groups thread for feedback. They want to know which media players, both audio and video, do you want supported by Google Reader.
Google Reader already supports YouTube and most embedded audio files. They also support Flickr videos, which was a recent addition. They also support MySpace, Jumpcut, Grouper, IFILM, Metacafe, Revver, Vimeo, vSocial, Monsters and Critics, Odeo, Yahoo! Video, Brightcove, Dailymotion, blip.tv and MSN Soapbox embedded players. If you think they are missing anything, make sure to tell Google in this feedback form and Google might include that format.
Google Reader does have some rules, them being:
Please keep in mind that all embedded media providers have to be using Flash, and never QuickTime. Also, 'embed' tags have to be used as opposed to 'object' tags. We also don't guarantee support and reserve the right to end support at any time.
Forum discussion at Google Groups.