It's possible, but I think it wouldn't be as exact.  The camera would have to find your head on your body, and then follow it perfectly.  What happens if you walk towards the TV (and the PS3 eye), and then look to the left?  I honestly think the camera tracking wouldn't be smart enough to track your head tilting, only its general position.

Nintendo needs to recruit this guy now. He is just awesome. Kudos to him.

Ok people, stop picking on leo-j. You know that ANYTHING from Sony can do ANYTHING better than ANYTHING from Nintendo... :')

Now, eso estuvo con toda su p*ta madre (amazing). Anyone that still doubts about the next-geness of the Wii is just a dummy.

"""
It's possible, but I think it wouldn't be as exact. The camera would have to find your head on your body, and then follow it perfectly. What happens if you walk towards the TV (and the PS3 eye), and then look to the left? I honestly think the camera tracking wouldn't be smart enough to track your head tilting, only its general position.
"""

==> but the Wiimote is also used as a camera in the demo
for me, it seems possible with a PSeye

"""
It's possible, but I think it wouldn't be as exact. The camera would have to find your head on your body, and then follow it perfectly. What happens if you walk towards the TV (and the PS3 eye), and then look to the left? I honestly think the camera tracking wouldn't be smart enough to track your head tilting, only its general position.
"""

==> but the Wiimote is also used as a camera in the demo
for me, it seems possible with a PSeye

games like the next zelda would be crazy with this techology.

I mean crazy like "HOLY SHIT IM IN HYRULE!!"

 The PS eye is a standard camera, n'est-ce pas?  That means you would have to a) track some sort of bright, unnatural color that someone would have to wear, or some visible-light LEDs, or something.  The great thing about the Wiimote's camera is that it reads in IR light, which is beyond human range of vision.  So you can have something like 2 IR LEDs broadcasting light all over the place without annoying people.  I wouldn't want to have to have glowing visible-light LEDs anywhere keeping track of where I was.  It would be distracting - especially if they were near my head (as in the video).

 If I am wrong, and the PSeye can 'see' the IR (or, I guess, UV, but that opens a whole different set of problems) spectrum, all the more power to it; but in this case, this is a practical use of the Wiimote's camera that is less feasible with the eye by virtue of annoyingness, in my opinion. 

maybe soriku
i dont know
i dont have a PSeye

well, I go back to BG, the Sword Coast is waiting me^^^

What are you talking about? The guy doesn't move the Wii Remote around, he sets it on his TV, where the sensor bar normally goes. Then he takes the Wii Sensor Bar and moves it around on his head. The sensor bar has two light sources in it, the Wii Remote is the camera.  He does take a second Wiimote and point at the TV for shooting games...but that's a different setup...that's an additional sensor bar on the TV for the second Wiimote.  The original sensor bar moves, and the original Wiimote stays still.

So you wouldn't need to move the PS Eye at all. The problem is how would the PS Eye accurately track both your head's positon and tilt...and that's really only possible with today's technology by using IR lights that allow the camera (Wiimote) to see how far the lights are back and forth, up and down, as well as tilting.

I can't believe this thread has turned into the Wii Remote vs. the PS Eye. This thread is not about how awesome the Wii is, it's about how awesome Johnny Lee is for implementing this proof of concept using cheap, readily available hardware.