I used those plastic "pods" with a paper filter insert for some time but quit as I could not get the proper strength, seemed like it needed more coffee than it could hold. I might have been using the wrong coffee and the wrong grind, but my goal was cost savings and I was just using basic Maxwell House or Folgers. Plus it was a pain to fill the pods without getting coffee on the counter.
I've moved on, now only use Peet's water decaffeinated pods and ground coffee. I make a quart of coffee which translates to 3 mugs, in my Cuisinart drip pot using 3 1/2 tablespoons of coffee. Other times I use the pods, I get them from AZ in a 6 box pack, lasts me a few months.