I would like primary keys to begin with PK and alternate keys to begin with AK. This ought to be possible.
ALso, how do Settings->Default Values->Entities->Keys naming options and Options->Physical Model naming options interact? It seems somewhat un-intuitive.
Also for alternate keys which could be multiple, it would be nice to have sequencing within the table (i.e. AK1, AK2 for each table )instead of just one sequence for use over the entire model). Same for indexes while we are at it.