This is from someone who played (or rather plays) both of those games using mouse and keyboard exclusively. Even with that double click issue (that could be worked around and was fixed by them officially later), DS2 mouse and keyboard support was a MASSIVE improvement over DS1 kb+m support.
Originally posted by Hedonism Bot:They promised an improvement in mouse/keyboard support over their PC port of Dark souls 1, and they didn't deliver upon release.