What to Look For in a Barista Espresso Machine The espresso machine is one of the most intricate coffee machines available. It has three main components. The bottom contains the water, and the middle is the filter-basket. This machine was a huge hit and helped popularize the home barista espresso. https://www.coffeee.uk/products/de-longhi-la-specialista-barista-espresso-maker-1450w