Got the keyboard only for ninety-nine bucks (I already had a compatible A/C power cord and didn't want the stand or headphones). I'm a tough Amazon grader but this deserves the full 5 stars. You're not going to play Carnegie Hall but the quality is way above what I expected for the price.
PROS: With 400 tones, 150 rhythms (each with an alternate, so more like 300 really), tempo control, over 100 songs built in w/lessons, and auto accompanying chords there's more than enough here to keep you busy; sound quality is decent from the built-in speakers; keys provide good resistance; build quality is OK; weighs very little; can play up to 48 sounds at once (which you don't realize is important until you start playing); B&W display that shows fingering, notes being played, beat, tempo and more; basic controls are simple enough that I was jamming in just a few minutes even though I don't play piano.
CONS: Crude volume control (and the lowest volume setting is too loud); standard size headphone jack requires an adapter to use smaller ipod-type headphones; so much built in that you'll have to read the manual to use the advanced features; display is small; bulky; does not remember settings when turned off; it hasn't made me sound like Mozart just yet.
I bought this for my 5-year-old but before he got his hands on it I had already played with it for hours. I had considered a smaller Casio that was 1/2 the price, had fewer keys and could only play 4 notes at once, but I'm very glad to have spent the extra money for something much better. I would want a larger display and keys that light up, but you don't get that for $99. Excellent value for the money.