I have stocked up twice in the last month on 12 packs of

Coke Zero
Cherry Coke Zero
Sprite Zero
Caffiene Free Diet coke (still waiting for CF coke zero)

Can't stock up on CFDC as much as aspartame has a short shelf life.

Of course I'd buy Dr. Pepper if they had a Zero equivalent or a cane sugar version I didn't have to drive hundreds of miles to get. And no, Diet Dr. Pepper doesn't compare to coke zero. You can't compete without either Ace K or Cane Sugar and Dr. Pepper doesn't use either in the cans I've checked.

__________________
I have 12 packs in my fridge, closet, trunk, and occasionally in random locations.