I am selling my Casio CTK-5000 which I have used very little, so it is almost like new. Great beginner keyboard with it's learning system. Amplifier and speakers built-in. Can be used with batteries for portable use. Includes two teaching song books, manual and a third party power supply.
http://www.casio.com/products/archive/Digital_Pianos_%26_Keyboards/Portable_Keyboards/CTK-5000/
For Neopal friend I am selling it for $100.
More info and pictures go here. http://cleveland.craigslist.org/msg/5680045572.html