I like your Walrein ex, Metagross ex, Salamence ex (PK), Exploud ex, Aggron ex (minor want), Arcanine ex depending on their condition.
From your wants I have:
Pokemon Catcher
Donphan Prime
3X Junk Arm
1X RH Twins
3X Professor Oak's New Theory
RH Haunter from Triumphant
4X Rare candy...