Well not here in my hands but it’s officially available, or at leas the product page is anyway. It comes with Android 2.3, a 1ghz hummingbird CPU, 512mb ram and 16gb storage.
“Nexus S is the next generation of Nexus devices co-developed by Google and Samsung. The latest Android platform (Gingerbread) paired with 1 GHz Hummingbird processor and 16GB of memory makes Nexus S one of the fastest phones on the market. It comes pre-installed with the best of Google apps and enabled with new and popular features like true multi-tasking, Wi-Fi hotspot, Internet Callling, NFC support, and full web browsing. With this device, users will also be the first to receive software upgrades and new Google mobile apps as soon as they become available. “
Availability: T-Mobile (United States)
Battery:
Type: Lithium Ion (Li-Ion) (1500 mAH)
Talk time: 6 hours
Standby time (max): 428 hours
Display:
Screen size: 4.0 inches
Screen resolution: WVGA (800 x 480)
Via Engadget: http://www.engadget.com/2010/12/06/googles-nexus-s-product-page-goes-live/
Full specs on Product page: http://www.google.com/phone/detail/nexus-s