Even if it would work pretty cool, I doubt it would gain much acceptance with third parties. The games are already three-dimensional, so adding even more 3D-ness is kind of pointless. Yeah, it might make the image look like it pops out of the screen, but what value is there in that? Again, I could see it being cool if done right, but peripherals don't tend to do well, with the only real exception being the Rumble Pack, which started the trend that saw force feedback becoming standard, even though Sony and Sega made fun of it when Nintendo first introduced it. If they could pull it off the way they did the Rumble Pack to the point where other developers would feel that they absolutely must join in, it could even manage to become as standard as force feedback, but that would indeed be hard to pull off. Would people want to pay $30 more for such a feature? Probably not.
ThePerm: Gompei Yokie! That's the name I was trying to remember the other day. A friend of mine was playing Metroid Prime and he thought Miyamoto created the Metroid series, so I proceeded to explain otherwise, but I couldn't for the life of me recall Gompei Yokie's name! I then relayed the story of his sad demise, which was trully terrible and the industry just isn't the same without him. It is a shame to have lost the mind that created the Game Boy and Metroid, and to think that it might have been different had the Virtual Boy been better received. Perhaps he would not have been travelling where and when he was when the accident happened.
EDIT: That spelling doesn't look right to me (Gompei Yokie). Isn't it "Gompei Yokoi" or something like that with the second "O" in his last name?