For many synth enthusiasts, it is the particular interaction of the sound engine & user interface that makes a great instrument.

Studiologic, owned by FATAR (manufacturer of the most popular & best feeling keybeds for some of the greatest industry brands.) With expertise into all phases of  production from design, engineering, & ultimately the construction of keyboards , musicians have been flipping out over their  Sledge synth,  Numa Organ 2, Concert, Stage & Compact pianos, &  their  incredibly intuitive MIDI controllers. Distributed in the USA by American Music & Sound.