Great topic!!
The answer to your question is....All of them. Unfortunately, especially for those of us trying to learn the art of smoking and BBQ, there is no easy answer-YOU GOTTA PRACTICE! I've had one brilliant experience with mesquite brisket. Seven others sucked a$$ and I can't say what the difference was other than outdoor temperature (the winner happened back in April but the internal temp of the smoker was NO different!!!).
So, I've given up trying with mesquite, I want to love you but you make it soooooooooo hard
I've got other weapons in my arsenal that aren't so Goddang high maintenance