It did, Don. It's the 'Classic Piano', if I remember rightly... But like the E80, Roland messed with the basic voice programming, so you have to open out the cutoff parameter a bit, to get rid of some of the 'mud'. Plus, of course, Roland (as do most manufacturers) skimped on the overall D/A quality and length of the samples to fit it in the budget line.
You might, just for home use, keep an eye out for a used Fantom XR, the rack version of the FantomX. That would have that piano in it...
I will be interested to see if the BK-7m gets the G70 piano, but I have my doubts. It seems, for some crazy reason, that after getting it RIGHT for the G70, they second guessed themselves away from the sound... I don't know about you, but ever since Eric Persing left Roland to form Spectrasonics, they seem a bit lost when it comes to nailing great sounds in their keyboards. Probably wrong, but they do seem a bit confused, these days. Great hiphop, but some real headscratchers in the voicing department, lately.
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An arranger is just a tool. What matters is what you build with it..!