I just started 3D PC gaming (so 22" screen). I find it rather cool.
I can understand however that you don't want this for consoles. A few things:
_Computing power... you essentially have to output the video feed twice... so you need 2x the computing power (even a little more) (this is also why I think the PS3 3D claims are just commercial propaganda).
_Setup cost (need a 3D screen... you have a 250€ 22"... but that is a computer screen)
_Lack of glaces for bystanders and cost for local multiplayer.
_Incompability with motion controls and pointing devices. (it may be 3D, but it's fake, the screen outputs 2 images so which one are you pointing at?)
_ Motion sickness (I don't have it but others do)
Having said that, I think 3D gaming will pick up, at least in PCs. And for consoles? well that will depends on 3D movies adoption, and not before.
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