AR gamings has been done a long time ago, also on the PSP and then PS2 and in the APP store for iphone already and then the 3DS and now the NGP.
New video below
Sony NGP's Augmented Reality Video - G4tv.com

I think it is a neat feature for card games and stuff where you collect, now we can finally play Yugioh as they get better and better with making AR games. Nintendo is better by the way.

I think its a good feature but its gonna be pretty useless if Nintendo don't keep it fresh by adding new games and whatnot. Otherwise it'll just be like the Wii Motion Plus. So much hype by Nintendo for it and then Poof. It dieded.

Uhhh....what about Skyward Sword?

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SRT is like the rebellious 12 year old. Confused about his sexuality, gets mad at his parents and leaves the house for a couple of hours claiming he's never coming back.

Ok I must say this.
Before the Nintendo fanboys come here screaming OMG SONY COPIED OFF OF NINTENDO WITH AR!!!!
They actually were the ones to do it first. Invisamals was a PSP exclusive that used AR features.

Sony's offerings look decent, but I think that Nintendo has the best potiential. We'll haveta see.

A few games that require Wii Motion plus a success does not make.

Looking at the Sony NGPs AR in effect.
Did anyone notice the group of AR cards there? And one of them was a yellow box!!
THAT was stolen.
AR games itself though I sadly must admit was from Sony first.

is another mini game no body is going to play it for long i dont play it a lot so is going to get old fast

AR is a cool tech demo, but I don't think I'd ever actually play a full AR game. It's too troublesome. Swinging the system around, or aiming it at a card on a table and having to remain the perfect distance just isn't fun to me.

I don't think I'd be able to do it for hours, let alone a full game of it. I had the Eye Toy for the PS2, and it was fun to show off to friends, and drop my cat in front of the camera to see a rainbow follow it, but it got old.

It's a cool gimmick, but I don't see it becoming a way of gaming like motion controls or touch screens.

It's fun while it lasts, I don't see much point replaying them.