Alright Matt, I just dropped off my 130's to be mounted with Axial Race 140s...and it's true, the widest brake made for the Look/Rossi are a 105mm.  I had to buy the wide brake and bend it out to fit the 130mm waist of the Prophets, and it was quite the ordeal that involved lots of cursing, torching, bending, measuring, re-bending, and more cursing.  You might be able to get a wide Salomon brake and somehow fasten it to the ski, not sure though, never really ridden Salomon bindings.  Other than that I'd say your options are to bend the wide brake out, or get someone to do it for you, or use a powder leash.