Electronic Keyboard ?

<p>We own a very nice full size piano which my D. doesnt play a whole lot. But this year as part of her music studies she will be taking piano again (took when she was little)</p>

<p>My sister is selling her Yamaha electronic keyboard which has 66 keys inexpensively $75..Do you all see where this might come in handy for college for D. in two years or be a possible good thing to have for another purpose.</p>

<p>I was thinking of purchasing it..but not sure about the 66 keys or if D. would need in future considering we have a regular piano.
Thoughts appreciated.
BTW its also a few years old..I dont know if these have changed much throughout the years.</p>