The Rivelia is De'Longhi's answer to the bean-switching problem: swappable hoppers let you flip between regular and decaf without dumping grounds or cross-contaminating flavors, all in a compact footprint that fits tighter counters. The side-mounted water tank is smaller than bulkier rivals and refills run more frequent, and cold foam requires buying the Eletta's cold brew container separately (it works, but factor the extra cost). Buy it if you drink both caffeinated and decaf espresso daily and counter space is tight. Skip it if you need cold drinks out of the box or want years of durability reports before committing.
This is a commercial espresso station that wandered into the home market, and the price tag makes sense only if you treat it like used restaurant equipment. The dual grinders and dual boilers deliver genuine café firepower, but the grinder chokes on fine settings with medium or dark roasts, forcing you to vacuum it clean every few days or settle for coarser grinds that miss the machine's full potential. At $6000 retail it's a terrible deal for home use; at $500-$1000 refurbished it's a defensible gamble if you're pulling dozens of drinks a week and can live with the grinder quirk or budget for occasional service. Buy it used from a caterer downsizing, not new from a showroom.