Alfonso Bialetti’s Moka Express arrived in 1933 and has barely changed since, which is unusual enough to be worth taking seriously. Hundreds of millions have been sold, and its reputation for harsh, bitter coffee is almost entirely a reputation for one brewing habit: cold water, high flame, walk away.
Fill the base from a kettle with water already boiled, keep the flame low, and take the pot off at the first gurgle. Same pot, same coffee, entirely different drink — sweet, thick and chocolatey rather than acrid. It is the cheapest improvement available in coffee.
The range makes sense once you know what each pot solves. Moka Express is aluminum and will not work on induction. Venus is stainless steel and will. Brikka adds a weighted valve that holds pressure back and releases it in a burst, producing genuine crema — and is far less forgiving of a wrong fill level.
Gaskets are the one maintenance item. They harden over a year or two and are stocked in every supermarket in Italy and most hardware shops elsewhere, which is a large part of why these pots outlive their owners.