I want to buy the uncharted 3 bundle but I saw in the internet that ps4/the next PS will probably come out in the end of 2012 or in 2013. Should I buy it now or wait for the next one? Also, i think the price will be a lot if it does come out in '12.

secondly, where shoud i buy it? in ps website, they mentioned three online stores(gamestop,wal-mart, and amazon) Where will i get cheapest price including tax and shiping ( i live in NY city).In walmart, they are probably giving something free with ps3 unchrtd 3 (ak-47 code or something)

Amazon probably.

your right about the PS4 coming out late next year, but unless you have a spare ,000 ready to pay then you should just buy the PS3, although personally I recon you should wait for the PS4 because electronics go out of date very quickly

The PS4 won't release till like 2015-2016, it's still too early for another system.

I would say to buy a PS3 at Walmart, they are more reliable.I bought my 160GB PS3 off of eBay 4 years ago with Uncharted.