M-Audio AXIOM 25 Advanced 25-Key Semi-Weighted USB MIDI Controller 9900-51411-10

25-key velocity-sensitive semi-weighted action keyboard with assignable aftertouch
All controllers fully programmable to MIDI controller number and channel
Snapshot function transmits all current controller settings
Built-in USB MIDI interface including standard MIDI In and Out jacks
Includes Ableton Live Lite 4 music production software so you can make music right away