If they were Americans, used to the typical thin brown water that usually passes for coffee here in the states, well then the test is quite biased away from any strong coffees.

I use a moka pot when camping... they are available in a variety of sizes. It is one of the easiest ways to get "espresso" in a campground. I do cheat however, as I use a touch of sweetened evaporated milk to go with it. (uses less space in the already crowded cooler) Those moka pots are great for camping as they are all metal... kind of a pain to clean however... just a big dump of grounds.

On the boat I use a plastic french press. But that Aeropress is getting my attention for the ease of cleaning it. I might even stock a moka pot, as again, they are all metal.

Percolators... have not touched one in over 25 years.

At home I use a drip coffee maker... it isn't the best, but it is almost hands free and produces enough coffee for everyone in the house. (ah, the American attitude toward coffee... just give me some of that brown stuff...)

In the past I went though a whole slew of espresso machines... from those with noisy mechanical pumps to those that just use built up pressure to force water through the coffee, to the ultimate, a La Pavoni hand pulled espresso machine. The Pavoni made great espresso... as long as everything was done just right. It was a regular ritual in the morning getting the coffees ready for everyone.

My old office switched last year to one of those little cup machines.... Keurig I think... the coffee tastes like cardboard... but "oh there are so many choices..." (so what, they all suck)

I did some work in the Azores "eons" ago, and the little closet sized coffee shops all over the place got me hooked on the real good stuff... that small shot of espresso or cappuccino, with some raw sugar.... now that is heaven.