Hi Ian,
So you had the X4500 !

You know to this day I still can`t figure out why Yamaha made a KB with only 8 note polyphony !

The 510 had a really great blues style that had a running bass line that was perfect for "House of the Rising Sun".

I really miss that style.

Speaking of styles , do you find that the styles are on the flat side ( non expressive ) as compared to the Y2K or even the Y3K ?

I really didn`t have time to tweak them , but they just sounded a bit on the bland side.

You know you almost have me wanting another go at the S900 !!

Thanks !!
Gary