rogueattorney
Adventurer
"Of course" Mentzer's Expert set is the "only one worth" using?
How odd . . . many of us absolutely love Cook's Expert rules.
I hate finding out I've been mistaken all these years.
The differences between the two are so minimal as to make choosing one over the other a non-choice.
I did a side by side comparison here:
Dragonsfoot • View topic - Cook/Marsh Expert v. Mentzer Expert
Essentially, the only real changes are that fighters, clerics, and magic-users are de-powered a tad, mainly with worse savings throws.