Cheapest ???? Yamaha Yamaha PSR-SX600 61-Key Arranger Keyboard ????

With a stunning design, new Voices and Styles, and Unison and Accent functions, the Yamaha PSR-SX600 is a performance keyboard like no other. Powerful DSP Effects like Real Distortion on a guitar or Real Reverb on a piano add just the right amount of color to your sound. Real-time control knobs, assignable pedals, and expansion ROM make it customizable for your needs.