I just got a pair about a month ago (the same boots). I wear a size 11 street shoe, and had size 10 Raichle 324's (size 28). Went to the Startingate in VT to get them resized and he managed to talk me into a new boot as the size 10 shells were too big. He squeezed me into a size 8 Head (size 26.5 I believe). Ground out the toe box and stretched the liners. I didn't have them heat molded, so can't give you advice there, but the stretching made a huge difference for me. The difference between cramped toes to that touching the front of the boot fit you speak of.
I rode a week ago on them for the first time, but only a couple hours both days due to crowds. First day was a bit rough with a good bit of pain, but second day about the 3rd run, I think I got the liners to start packing out to my foot and really came into them. My toes do hit the front of the boot while walking, but when riding, it's probably the most precise fit I've ever had in a boot. I've still got a few tweaks to the boots and bindings to get everything lined up right, but I'm expecting great things once I get them broken in.
Good luck with the new boots.