the numbered balls should be exactly the same except for color. however, the spotted cue ball weighs 1/8 oz. more than the red circle for what ever reason. They say they are the exact same except for the spots but their is a weight difference (yes i weighed them :thumbup:.)
Joerackem has the Duramith Set on EBay for $197
http://cgi.ebay.com/Aramith-Tournam...dZp5197.m7QQ_trkparmsZalgo=LVI&itu=UCI&otn=5t