Hi zuki

If I were getting a digital piano I'd want to get the PX350 as it has arranger keyboard features. Maybe not as good as our Korg or Yamaha BUT I know it would be a lot more fun to me with it on. Here's a link with reviews. There are also reviews for it on youtube.

http://www.amazon.com/Casio-PX350-BK-Int...rds=casio+px350