8 sliders! Wow. I did try it out at NAMM but I didn't give much attention to it. I don't look at digital pianos without built-in speakers anymore. They are just convenient. Then again, just about all stage pianos don't have speakers built in.

The Casio PX5 has four sliders, right?
"You Shall Know the Truth, and the Truth will set you free."
John 8:32