Update - Megite seems to be back now. I note that they have a single Google video (the top one). All the others appear to be YouTube. Over on BlogPulse, there are 21 out of the top 40 which are not YouTube, so I'd guess that both TailRank and Megite are missing a major swath of content.
TechCrunch talks about the launch of video ranking today on both TailRank and Megite. TailRank offers a list of videos with the players embedded in the page for easy viewing. I can't comment on Megite just now as the home page doesn't appear to be up. It is interesting to note a description on TechCrunch's page regarding these memetrackers:
TailRank is analyzing videos that blogs link to and embed on their sites, and then determine what videos are popular based on the aggregate weighted statistics. Bigger blogs get more weight, but smaller blogs get a vote, too.
This seems to contradict the spirit of TailRank - at least as far as the name goes - which ought to be telling us how the tail ranks content. If it is weighting 'bigger' blogs more than others, then it just following in the footsteps of TechMeme which crawls a relatively short list of blogs (TailRank crawls 100k). Perhaps Kevin could comment?
One of the problems with the current set of memetrackers is their inability to cluster items, be they videos or other, around topics. TailRank right now has 5 videos about James Brown - why not cluster these? In addition, all the videos appear to be from YouTube - at BlogPulse, we cover many video hosting systems (too many for me to remember).
I'm also going to point out that BlogPulse (which TechCrunch doesn't cover) silently launched video ranking a while back.
I think that 2007 is going to be an interesting year for this space. Memetrackers intend to support a simple need - to get a quick view/fix of what is being talked about online. Due to their inherent simplicity, it is hard for them to compete on features as feature bloat will work against the limited time that people have to view them. This might suggest that personalization is the way to go (which TailRank is probably leading in). I also think that there needs to be some differentiation between ranking what the head of the blogosphere (topical blogs) is talking about and what the diary/journal blogosphere (all those LiveJournal and other mass hosting systems and social network sites) is talking about.