Samson Carbon 61-Key USB MIDI Keyboard Controller White SAKC61 - Best Buy
Amazon.com: Alesis V61 - 61 Key USB MIDI Keyboard Controller with 8 Backlit Pads, 4 Assignable Knobs and Buttons, Plus a Professional Software Suite Included : Everything Else
Novation Launchkey 61 MK3 USB MIDI Keyboard Controller | zZounds