The Nexus S might be a groovy piece of hardware, but what we're really hot and bothered for is Android 2.3 Gingerbread.
http://www.youtube.com/v/9vdqfVIcuJA?fs=1&hl=en_US&rel=0
Google has an in-depth overview for developers, but here's the highlights of what we're digging in Android 2.3.
5 Reasons We're Excited About Android 2.3 Gingerbread [Video] (http://gizmodo.com/5707392/5-reasons-were-crazy-excited-about-android-23-gingerbread)