YEA OLD RASPY, I CHECK EBAY.  ILL FIND A STAR DOT ON THERE EVERY NOW AND THEN, JUST NOT FOR THE 835.  IVE NEVER EVEN SEEN ONE ON GUNBROKER THOUGH, I DONT THINK.  PEOPLE SAY THEY ARE ON THERE THOUGH.  WENT TO A GUN AND KNIFE SHOW YESTERDAY HOPING TO RUN UP ON ONE.  WAS A BUST.  DIDNT REALLY SEEN ANY, MAYBE ONE OR TWO CHOKED TOTAL.  
I USE A GOBBLN THUNDER IN THE GUN NOW, MOSSBERG 835.  WHAT KIND OF PATTERN CAN I EXPECT FROM THE STAR DOT?  ASSUMING I GET MY HANDS ON ONE....