I feel the same way. I have had my S910 for a few months now and am thrilled with it without audio files. In my case, I have all the real band realism with my Audya, and wanted something to give me a bit more laid back sound. This is it.
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact