I'd just take a single tank wing, STA, and a couple of hoses and extra second stage to switch my bail-out regulator over. What shop will you be diving with?
What's that???? J/K I do use single tanks for teaching, but not much else. The travel BC is much lighter & fits in a smaller area.. I will be traveling with Aquatech ( Learn To Scuba Your Adventure Starts Here Welcome To Aquatech, Your Complete Scuba Center for Scuba training, Dive Travel, Equipment and Snorkeling. | Aquatech Scuba CenterScuba Training, Dive Travel, Equipment Sales & Repair The Diving Professionals )