Zuki,
The keys on the E60 are:
white - 5 3/8"
black - 3 1/2"
The keys on the E50 are:
white - 5 1/8"
black - 3 1/4"

There is also a big difference on the resistance and the throw of the two keyboards. E60 is definetely a better feel.



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