Here are some links to great-looking biped robots in Japan.
Although the text is in Japanese, the images are great.
Robo-One Competion
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VStone: Commercial Biped Producer
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Eiichiro Morinaga's Website
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Nonsaya Robot Works
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iXs Research
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Have fun!!!You can search for more stuff on your own by searching for:
"metallic fighter" "robo one"
Cheers, Ed LeBouthillier