Best MIDI Controller or Keyboard for Ableton - The Wire Realm
Amazon.com: Novation Launchkey Mini [MK3] 25-Mini-Key MIDI Keyboard: Musical Instruments
Amazon.com: Alesis V49 - 49 Key USB MIDI Keyboard Controller with 8 Backlit Pads, 4 Assignable Knobs and Buttons, Plus a Professional Software Suite with ProTools, First Included: Musical Instruments
Amazon.com: Ableton Push Controller for Live 9 with 11 Touch-Sensitive Encoders: Musical Instruments