Compact espresso machine for a small kitchen
Counter space decides it, not a best-of list. Breville lists the Bambino at 11.9 in W × 6.1 in D × 13.5 in H. Dedica Maestro Plus is 8.15 in W × 13.62 in D × 12.9 in H. De'Longhi lists the Stilosa at 8.07 in W × 13.5 in D × 11.22 in H. The Bambino is wider and much shallower. The two De'Longhi machines are the narrow ones.
Measure the spot before you buy: leave room for the water tank, drip tray pull-out, and a cup under the portafilter. If the machine also has to stay under $300, the short list is First espresso machine under $300.