It combines the great Yamaha Pure CF … Can you point me to … Anyone familiar with them? Yamaha bills it as a composer work station. Yamaha DGX-660. PRE-ORDER ESTIMATE IS FROM 1 MONTH to 3 MONTHS The new Yamaha DGX-660 is the latest ensemble digital piano to showcase a variety of interactive features that make learning, playing and sharing music fun for everyone. The Yamaha DGX-660 Digital Piano is a compact piano with great sound and a host of advanced, intelligent features that make it capable of so much more.. The new Piano Room feature of this Portable Grand lets you choose from a variety of pianos and acoustic settings to create your very own personal piano environment. The sound of the renowned Yamaha CFIIIS 9' concert grand piano is faithfully reproduced, allowing for incredible dynamics and expressiveness, making the DGX-660 worthy of the Yamaha … Yamaha is the industry leader in digital piano technology, and you can hear this in the Voices that utilize the Pure CF piano sample. I bought it because it saved me a lot of money over a Clavinova style … I bought myself a Yamaha DGX-660 digital piano on which to practice. I had a customer emailing me about a dolly for a Yamaha DGX-670 I can find information about the 660, but I can't find anything about a 670.