You might consider the Yamaha YPG635. It has a nice wighted keyboard, "live Piano" voice, arranger, bread and butter sounds, easy to use, plays standard midi files direct from USB thumb drive........inexpensive...($899.00) and it's 64 voice polyphony. And you can attach a $69.00 three pedal unit to it's stand (which is included in the price).
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George Kaye
Kaye's Music Scene
Reseda, California
818-881-5566
www.kayesmusicscene.com