Wow, that is gorgeous. I am trying to teach myself piano right now from scratch but mostly I just play by ear or improv, can't read sheet music. If I was a more serious pianist, that would be a nice thing to have. Sounds great too from the youtube videos that I'm looking at. I like the monitor out or the play by notation features which would be fun to learn by, but that's a little expensive as a way to teach yourself simple music.
I still wish I had found that Korg Triton you came across for $550 that you told me about.