I went for the Behringer X-Touch mini after a little research I realized that, if I can only afford one fader, the x-touch does pretty much everything that the CC121 does, for quite a bit less. I have it set up to use in Mackie and General Midi modes and it works flawlessly either way. I’m not sure why these are not more popular than they are. It greatly enhances my work flow. Once I got the hang of it and memorized major functions (masking tape is your friend, write small), I can’t imagine working without some kind of control surface.