Originally posted by WDMcM:
Yes, both the M3 88 and Pa588 use the new RH3 graded hammer action keybed, which feels great by the way. 
Dave
I know Dave, i played on the M3 88 keys some weeks ago and it felt really really good, if PA588 has the same keybed, it will make a very good board for home players that want both piano and arranger..........