As one of its daily deals, Best Buy offers the Akai Pro SynthStation 25-Key USB MIDI Controller Keyboard for Apple iPhone / iPod touch, model no. SYNTHSTATION 25, for $39.99 with free shipping. That's the lowest total price we could find by $3. Sales tax is added where applicable. This 25-key velocity-sensitive keyboard can be configured to send MIDI control data and features a built-in iPhone/iPod touch dock, octave shift controls, pitch controls, modulation, and more. Deal ends today.