He actually started as a jazz drummer when he was very young, switching to piano when he was around 11 I think. He was actually talked about a lot as a drummer from what I've heard, having an original innovative style, which is quite impressive for a 10 year old!
I've only heard him on CD so far - playing Prokofiev, Scriabin and Rachmaninoff. I remembered that I liked Prokofiev and Scriabin, but that his Rachmaninoff sonata was really boring - it is not my favourite piece though..