I am not sure of the features but its definitely cheaper and more affordable, I would say its sort of like Korg's approach with the Triton and then the more affordable trimmed down, touch displayless Triton LE, I owned the classic Motif and the Motif ES...I would and the description that is up says
It's Time to Get MO Yamaha in Your Studio!
Introducing the direct descendant of the pro-level MOTIF ES, the 61-key Yamaha MO6. (An 88-key version, the Yamaha MO8 is also available). The MO6's amazing voices, high-quality effects and powerful filters derive from
I think its probably a good buy, but the decription leads me to believe its not as good a board for whatever reason because they describe it as a descendant of the PRO Level ES LOL so what is this saying? its not a pro level board these people kill me....but it is a phrase based sequencer the other mo's are pattern based so this tells me you are sort of limited to phrase and preconstructed riffs I think not really constructing ground up patterns I know the old sp-808 was billed as phrase sequencers but I made tracks with my own patterns on it LOL???? ..anyhow I havent had a chance to test it but if it was me I would just save the extra cake and get the ES and call it a day...