Hi Don,
I just bought a Casio PX330 - I needed 88 keys to take formal piano lessons again. I also wanted some arranger functions so when I bore of practice, I can go back to my OLD habits and play keyboard (this could be a mistake). The tones are amazing. I have a S700 here and to my ear, many of the tones on the PX are so much better then the S700 (i.e. piano - sax - guitars). I do not have a Tyros to compare them to so higher end Yamaha boards may be much more superior. The Casio Privia PX330 is a quality made piano/arranger.
I am now wondering if the Casio WK/CTK 7000 keyboards will have those tones too? If so, I may treat myself to the WK 7000 at a future date.
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Linda F
Casio Privia PX-560 - Korg Micro Arranger - Casio MZ X500