While it may only be a tech demo for the PC (the real deal is coming to the PS3/PSP), you can still use it to kill a few hours. http://www.nhk.or.jp/digista/blog/works/20070517_fujiki/index.html
I didn't want to make any new posts until we move to our new site at its-a-trap.org but I found this video hilarious. Anyone want to buy me a Pleo for my birthday?