Guys over Phandroid got their hands on a screenshot which surprised me and will surprise you! I can see the picture below shows someone holding Nexus one in his hands, in the about, it includes Firmware Version 3.0 of Android. Check it below..
Of course this one is one of Google Android Engineers, but all this is just rumors and we are not sure of anything from this but our sources are trustable! So Stay tuned for covering this news