Since launching Nexus S with Samsung, T-Mobile and Sprint customers have enjoyed the pure Google experience, running the latest Android releases and Google mobile apps. Today Nexus S devices have officially been optimized for AT&T, available in Best Buy stores this weekend. Continue reading after the jump.

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Nexus S runs Android 2.3 and features a 4” Super AMOLED screen, a 1 GHz processor for showing 3D graphics, front and rear facing cameras and support for NFC. It also features the latest Google mobile apps, including Google Earth, Google Maps with Navigation, Google Talk with video chat, Google Voice and Voice Actions, as well as access to more than 250,000 apps in Android Market.

Nexus S for AT&T will be available in Best Buy stores starting July 24. For those of you who just can’t wait, it’s on pre-sale today in Best Buy stores.

You can find more information at google.com/nexus or follow @googlenexus on Twitter for the latest Nexus S updates. And if you need something to pass the time until you can get your hands on one, try our Nexus Contraptions game, where you can bubble, bounce, and bump apps into the phone.

GM