The gist of his review, to me, was that "if you're into this kind of stuff, you'll love it, but if you aren't you'll find this utterly useless". Which is pretty much what I'd expect. KORG DS-10 reminds me of when people review something like Ikaruga - for what it is, it's amazing, but it's so niche that you can't give it more than an 8/10 no matter how good it is.