I had a higher end Nespresso. The killer was how little espresso it makes. I don't consider myself a heavy coffee drinker because I only drink one cup in the morning. However it took 4 Nespresso pods (black ones) to get a decent amount of caffeine and not get headaches. And I usually order single shots when I go out.
You can adjust the amount made from a single pod. You can actually make a full mug from a single pod and it still tastes great (and not watery).
I tend to agree. I only get two shots of expresso and I'm usually fine with that, but with Nessprso's machine I couldn't get enough caffeine unless I put 4 shots in it.