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If you take this guy's advice you'll be really sorry. The Falcon series has a lower fit volume, SPKs are ginormously wide, especially in the toebox. Do not get SPKs if you wear falcons right now.
I am guessing like many others have already that you are skiing a little backseat. Before I had good form I would get the worst shin back to where I couldn't ski at all after a few days becuase it would hurt so badly. Let your shins heal up a bit, then try to focus on really keeping forward pressure. Think about it this way: the further back you cock your arm to punch someone, the more it hurts. If you can only bring your fist back an inch from someones arm then hit them it will barely hurt. Bring it back 2 feet and then you are talking. Same idea with shin bang. If your shins are always pressed again the front/tongue then you can't do much damage. If you are bringing your shin away from the tongue and repeatedly smashing it into the boot over and over, then you will develop a bruise.
But, seeing a bootfitter would solve your guessing problems. I hope you get it worked out, shin bang is no fun at all.