The single thing I have against the QY-100 is the form factor - tiny multi-function buttons, a screen that begs for reading glasses, a mini-keyboard that is silly to even think about inputing music with it, and once you hook up everything you really need like midi/audio cables and power it becomes an ungainly little box that is inconveniently falling everywhere. I'm not saying this to knock it (you'll do that plenty by using it, ha ha) but the cute-factor and functionality does get offset by the reality-factor. I like the form of the QY-700 better because it's a desktop unit with larger buttons/screen etc. but you'll have to decide for yourself. Here's the QY-700: