Get an Akai MPK2 series controller here: http://www.sweetwater.com/store/detail/MPK261/
Take hands-on control of your VIs and your DAW with the MPK2 Series MIDI controller. Trigger sounds with the built-in MPS-style pads, and assign a variety of controls to the faders (MPK249/MPK261 only) and knobs. Available in 25-, 49-, and 61-key versions (all with semi-weighted full-size keys), there's an MPK200 controller for any situation.