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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4:Don't feed the troll
Some interesting comments on there which tend to back up what Anchorhandler was saying about clutter. Perhaps the answer is for GPS's to use smaller icons on their screens for AIS. That way the 'clutter' won't obscure the nav data on the chart. Another option would be semi-translucent marks.