That fine bastion of cellular modding prowess known as XDA-developers received some particularly savory snaps this fine Thanksgiving morn -- spy shots of Samsung's elusive Nexus S running an operating system that looks uncannily like Gingerbread, which it calls "Android version 2.3," and sporting a new back cover that would look perfectly normal on the original Samsung Galaxy S, if not for the extra curves. XDA's source also claims it has a 720p video camera, though other specs are still a little shaky. To be clear, this is most