There is the Yamaha YPG635 which sells for around $900.00 and there is the Korg PA588 which sells for around $2500.00. The Korg has a much larger screen than the Yamaha and has alot more editing capabilities with the midi file tracks.
Both are 88 hammer weighted keyboards, and both are arrangers. Even though they both come on wooden stands, they both can be used on portable stands as well.
The Yamaha stores midifiles on a USB flash drive and the Korg stores midifiles on an SD card

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George Kaye
Kaye's Music Scene
Reseda, California
818-881-5566 www.kayesmusicscene.com

[This message has been edited by George Kaye (edited 03-23-2009).]