Hatsune Miku even had a live concert - http://www.youtube.com/watch?v=gy8w6pMsuUQ http://www.youtube.com/watch?v=b2egumdBwsg
WNYC's fundraising drive just ended, but they played a clip from Radio Lab ALOT during those weeks that talked about the uncanny valley
. No one has yet to jump the valley and achieve full believability, but in the case of Hatsune Miku- do you even need to cross it? The Muppets had a worldwide popularity unsurpassed by any other inorganic creature, while the whole time all adults knew they were just puppets. There's the Gorillaz too - we all know it's a fake band, but the substance behind the front keeps us coming back for more.
Are the robot designers (or video game designers) too obsessed with matching reality and believability?