CCM actually offers a very solid custom skate. There are two "levels" to the customizations that you can get. The first being the 'CCM Total Custom' option, which is what I have seen most come through my shop in terms of custom CCM skates. The next step up (which it sounds like is what you would be interested in) is the Total Custom Plus. Not sure of the exact price for each off the top of my head, but there is a jump from the Total Custom to the Total Custom Plus.
In terms of actual customizations available, both options will get you the 3d scan, boot choice (Tacks, Jetspeed, Ribcore), tongue thickness and customization, steel choice, lace options, and color. With the total custom plus option, you get access to pro level customizations such as boot stiffness options (stock or x-stiff), facing changes, boot height, holder size, and boot cut. With both choices you are able to make notes on your scan if you have any irregularities in your feet or ankles that you want to make sure are addressed in the manufacturing process of your boot. I had a player come in who had major ankle surgery and was left with some hardware that had been bothering him in his current AS1's. He went with a Total Custom Plus and had no issues in the spots where he had the metal in his ankle. He actually got in touch with our CCM rep because he was so pleased with his skates.
Also worth noting, the scan will give you a recommended size for each foot (down to a 1/4 size), and you are able to choose if you want to go with what is recommended or if you'd like to manually adjust and choose your size. With both packages you are able to get different sized skates since most people's feet are actually not identical in length and volume.