Originally Posted by
vhrum
Looks wide open:
http://imgur.com/a/kX4p6
There are only four seats taken in J, presumably by OP and his family. OP, why do you think J is oversold?
If this is true, the the OP should immediately move the entire family to seats that exist on the new aircraft and, ideally, seats that exist in business class on any aircraft type that could be used for the route.