Gaggia and Saeco manufacture other pump-driven machines, but most experts say these can't compete with the Rancilio Silvia or Starbucks Barista in terms of quality, durability and value. Several reviewers also mention pump machines by Capresso and Solis, all well-known names in the espresso business. However, despite their excellent reputations, these models are most often reviewers' second choices. Although it' s housing is made of less durable plastic, it's interior workings are solid. This results in a shot topped with approximately one-quarter inch of crema, the golden foam that's the hallmark of good espresso.
Durable components are key .
Metal or heavy plastic housing is better than lighter-weight plastic housing, and boiler systems are generally more powerful than thermal blocks or coils. Aluminum portafilters don't hold heat as well and are less durable. More power is better . Other important features include a cup-warming surface, detachable water reservoir, removable drip tray, ease of use and ease of cleaning. Design is an important consideration for those who plan to make their machine a showpiece in the kitchen or dining room.