It appears that google +1 is coming out now...
it can be enabled in experimental... though it does integrate results from your social circle without having it enabled.

http://googlesocialweb.blogspot.com/2011/03/introducing-1-button.html
http://www.youtube.com/watch?v=OAyUNI3_V2c
http://techcrunch.com/2011/03/30/google-plus-one/