There are MIDI Controllers – and there are MIDI Controllers like the Synth-Project Poly-Ana Controller, aka ‘the controller flagship’.
This thing is the ‘monster synth’ of MIDI controllers. It offers 136 Knobs, 78 switches, 4 Doepfer MIDI Interfaces , a touchscreen, 4 Octave Keyboard & Mod & Pitchwheels.
The Poly-Ana is a recent custom controller project by Mario Jurisch. Details are available at his Synth-Project site.