Here's an example of what you can do with a Costco Prime Brisket. I did a dry rub corning of the brisket and smoke it on the 2003 Gold that I sold to my neighbor. I have a metal insert for my kettle that covers the bottom and creates a charcoal wall that I placed a pan on to catch the drippings.
Halfway through the cook.
Sliced and tasty.
The reason my neighbor bought my 2003 kettle was the fact that he ate some of this pastrami. He looked at me and said, "This is brisket?" I said, "Well, technically I guess, its pastrami." He responded by saying, "This is the best brisket I have ever had." So go for the prime, its a great way to start a meal for sure, a nice chunk of fatty meat that will melt in your mouth.