Good advice in this post.
What it comes down is how much your strategy relies on your PG to score. If you do not have reliable scorers elsewhere in your lineup, then having a PG who can score without turning the ball over becomes more of a need (JS to go along with DR, think Derrick Rose). But if you have a other players who can score well, it could be more helpful to have a PG who can get them the ball and help their scoring (PA with reliable DR, think Rajon Rondo or Ricky Rubio).
I guess it help having all "R" initials in your name if you want to be a reliable "pure PG". I wonder if Roger Rabbit can play PG...
Don't ask what sort of Chunks they are, you probably don't want to know. Blowing Chunks since Season 4!