The best LOOKING ball of all time would most likely be some form of plastic ball like a white dot because of all the color combinations that have been used in them over the years. The Emerald ice one they had out recently was a GREAT loking ball.
As far as performance balls go, I liked the yellow/green Hammer Vicious particle solid :http://www.youtube.com/watch?v=MnKmXQzZBd8
--------------------
Good transactions list in my profile
"The difference between stupidity and genius is that genius has its limits."
Albert Einstein