I think that the best morality is pragmatic and communal, based on works best for the common good of a community and the individuals within it. The Golden Rule, of course, fits these criteria quite well.
When morality is authoritarian and based on obedience to authority, something is lacking.
So, I guess what I'm saying is that the most honest and effective morality is non-theistic and non-authoritarian - and rational. I guess we could call it Jiminy Cricket morality: Always let your conscience be your guide.

-Joe-