BB,
I, too, am in a scope quest right now. I can give you some general information regarding the scopes you are pursuing. I have no Weaver, Nikon or Burris experience, but I own a Clearidge XP 4.5-14X40, a Sightron Big Sky 3-9X42, and I have a hunting buddy with a Bushnell 4-16X40 4200...