making boots impossibly tight isn't the answer, I have buckled my boots the same for the past 5 years, I can get them a lot tighter but its pointless, I dont get shinbang and my foot doesnt move much/at all
to the person that suggested a heel lift... a heel lift works by pulling your toes away from the front and getting your heel deeper in the cup of the boot making a smaller boot fit bigger by
also when u say you got "fitted", there are a ton of different ways to fit people... what is comfy and what is for the normal skier is not what is for us... comfort will come after they break in