I've been on six cruises, and have been a minor on each, so my parents have always chosen the earlier seating. And yes, there have always been a lot of families that have done the same thing, however, it never seemed to take away from anyone's dining experience. I think that your itenerary/"shore-tours" should be tken into account more so than whether or not children will be dining during your seating. Early seating sometimes can cause you to either really have to rush off an island to get ready for dinner, or cause you to miss yor seating all together. I have noticed on occasion though that late-seating people sometimes get the shaft when it comes to entertainment. Occasionally shows will only be held during late seating, and other various festivities around the ship may be missed. Your seating preference should really depend on what you want out of your cruise. If you want to see the ports fully, and spend all day out, then I"d go for late seating. However, if you are more into the entertainment, activities, etc... then you may want to consider early seating. Good luck, and have a great cruise!