Bachus, come on!.. It has "Natural! Grand Piano" which is to my knowledge more advanced than any piano voice that any PSR has and as I see it any demo of DGX-650/660 shows that the piano voice is actually quite beautiful. Also it does seem to be well-priced, it's not that much more expensive than Yamaha's portable pianos like p-125 without any extra functions, so this product seems to be a real hit.