Coffee cup would of course be different depending what area of Sumatra you get the beans from. Unless you keep ordering the the same coffee plantation. Have a look at how stretched the island itself is: {image}

I came across an absolutely opposite point of view just the other day at {link} saying "Dark roast coffee works better for an evening cup ... as it contains the minimum amount of caffeine". However, that only refers to "When equal volumes are measured" {image}

Guess how this machine works {image}

The hardness parameters are fairly different. I would go for Weed water choice

You have not mentioned if you are planning to buy electric or gas one? What do you, guys, think is a better option? Purely in terms of the coffee quality