Tognar Ski and Snowboard Boot Fitting Tools, Insoles, Footbeds and Inserts
Scroll down to Narrowing Pads. I doubt its the boots lack of tech that give you your heel lift. Even if you didn't pick the perfect boot, you should be able to make it manageable with some pads and maybe a different lacing technique. At worst, trying to fix your current boot will help you learn about your foot's idiosyncrasies.