From a design point of view I don't mind the atomic A, left open ended deliberately to suggest a continuing search for knowledge. I do see the potential for confusion though and maybe it's responsible for the frequent accusations of arrogance we get. However, the symbol I prefer and the only one I actually wear is the metal red A badge seen in my avatar.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'