I agree it's poor boot fit. I definitely have heel lift and not just a little bit.
That's another thing I need to fix, but I just got these boots (last season) and can't take them back or get new ones yet.
So, as far as boards I should look for the one on the right (link) vs the one on the left, or choose the left as my 2nd option.
2012 Burton Restricted Nug Directional vs 2012 Burton Restri...
The store I'm looking at definitely has the restricted directional, but not sure about the restricted (non-directional)