Infographics, infographics, infographics...say that a thousand more times and you will get a glimpse of the internet chatter around these data visualization presentations.
And, here is my two cents on this conversation: ripetungi. Some of the best infographics I have seen in the web world. Simply amazing. Love the "space final junkyard", "salt mountains", "shark attacks", and "google acquisitions". A bunch to check out and I recommend checking out his blog posts on making infographics and storytelling.