graffixx:

CX881: J1 so not much hope here.
CX897: J7 I7 so reasonable chance.
CX885: J1 so not much hope here.
CX883: J3 I0 - I really doubt they want to sell any more seats cheaply in case of last minute paid Business purchases. They'll rather upgrade someone with status from Y.

No there's not much you can do except to go buy a J tix if you're keen. Otherwise you'll have to split the family.