Software that Teaches Piano

[tone007]

...which will still run $150, most likely!

It's altogether possible you may be able to use a different MIDI keyboard with the Miracle software should you come across a copy of it, apparently it can be done with the PC: http://www.ehow.com/how_6159616_connect-keyboard-miracle-piano-software.html

MIDI is MIDI, after all, provided they didn't put some dongle in the hardware.