Casio AP500 88 Key Digital Piano

Keyboard: 88 Key Piano Keyboard with Touch Response
Maximum Polyphony: 128 Notes
Tones: 164 (with Layer and Split)
2-way speaker system
LED display

Casio WK3300AD 76 Key Electronic Keyboard with Power Supply

* 620 tones include rich advanced tones
* 50 drawbar organ tones
* Flash memory
* Piano setting button
* 166 preset rhythms

Casio AP45 Digital Piano (88 Keys with Weighted Action)

* 88 Key, Cabinet Digital Piano Design
* Brand New Tri Element Z Chip Technology
* Casio Weighted Action
* New Bass Reflex Speaker System
* Stereo Line Out for Sound System Use

Casio PX800 Privia Digital Piano with Weighted Scaled Hammer Action Keys

162 tones
82 songs
Expanded song memory
SD card slot (for song storage)
USB/MIDI