I'm actually a bit tempted by these. right now the only keyboard synth I have is a MicroQ, which I quite like, despite it being pretty menudiveish. The problem is, the MicroQ is really heavy (thanks to the full metal casing) and despite being relatively small for a synth, it's still too big for many occasions. I only used it once for a live gig. So I've been thinking about getting a small, polyphonic keyboard, with a good interface. I'm certainly no Wakeman, my keyboard playing skills are far from virtuosity, so mini keys arent't really are an issue for me. Actually, I'm using a bent SK-1 for most of my gigs right now! I've considered the Mininova and the Yamaha CS Reface. The OP-1 would be really small and actually quite nice, but price and the lack of velocity put me a bit off. To be honest, the JU-6 would be a nice solution to my needs, small, compact, hands on interface and from what I've heard it sounds great. The only thing that puts me off is the 4 voice polyphony, though I'd have to see if it's really an issue for me, in real life.