Well, the reason I have the Mutant Brain in there is because I’m looking to get away from doing my sequencing from the laptop & keep everything in a nice network between the machines! I will definitely read the ES-9 manual before making a concrete decision but so far from what I’ve read, it seems to be a great solution for both audio & cv routing to & from the rack! I’ll also take a further look at the EX! Thanks again for all your help!