Just got an email from Google!

The wait is over

Thank you for your interest in Nexus S, the new Android phone from Google. Nexus S is blazing fast, has a brilliant Contour Display and is the first phone with Gingerbread (Android 2.3) and the latest Google Mobile apps.
Nexus S will be available this Thursday, December 16th at Best Buy stores and online at www.bestbuy.com/nexuss.