Keys are wide enough to be comfortable. Editing easy - after you figure it out. The keys are not responsive untill it hits full depth making presto passages difficult. 4 Not realistic sound - except as stated the Grand Piano is wonderful.
Fast passages suffer from slow keyboard action.
I don't think it is designed to be played as a gig instrument. I see it more as a music teaching device. The sounds are too poor to be used in a gig setting. 40 -45 years. The display screen, because the notes, chords etc are displayed in the same area, in the same location the screen is soon burnt and the disp.