After about 3-4 hours of building and and taking photos and another 30 minutes or so producing the video I present to you! "The Circulator" Building Instructions! So now you can build your very own gbc out of one NXT 1.0 kit and a 2.0 kit if you have extra gears and technic parts!
Enjoy!
Here is a link to the original project: http://nxtgeek.blogspot.com/2012/03/circulator.html