I'm not sure if anyone else follows K-1 in this thread but it won't matter if you are a fan of knockouts. They started uploading a volume of highlight videos on their youtube channel in January and volume 6 came out today.
http://www.k-1.co.jp/en/news/2010/0204_others_01.html
Volume 4 is my favorite because it has Buakaw's double knee KO.