All user reviews for the Casio Celviano AP-45

hello all who read and respond to this message!
I would like some opinions of what had already used a piano casio ap 45! I started in the piano and I wanted to have ecchos because I really want to buy me! in doing research I have seen ke price was high enough to almost € 900-1000 jen and I found an 650 has a roughly!
Please help me make the right choice for all models of digital piano I am confused!