We have not been to WDW with kids (or in 17yrs). My ds5 loves trains. I'm torn on whether to do the opening show or an ADR pre-rope drop. I'd love to get in the park early but I think DS5 would love the show. We have two MK days but one of the days we have Chef Mickeys at 7:45 so I think we'll miss the show. Which would you pick as first timers on a short trip?