I did search and i found the source, here it is: http://raphaelhertzog.com/2010/11/22/how-ubuntu-builds-up-on-debian/
Thanks for the pointer, I just went and read it.It's a pretty good and informative read. So are the comments. Still timely and worth reading.
Miles -- In theory, there is no difference between theory and practice. In practice, there is. .... Yogi Berra