An incredibly minor complaint: the internal ordering of Natures indicate that each of the five neutral natures are meant to be seen as increasing and decreasing the same stat:
Hardy (+Atk, -Atk)
Docile (+Def, -Def)
Serious (+Spe, -Spe)
Bashful (+SpA, -SpA)
Quirky (+SpD, -SpD)
However it bugs...