I use the APC for 3 months.
Prior has had the Korg Nano, no report! PCA is very robust, works flawlessly and does everything asked of him. Obviously, it does not make it CIF Live pilot point (so the pads are not as teractive MPC)

I use it mostly at the stage of composition and recording. It allows me to record very easily DIFFERENT parts of guitars, basses, keyboards (track is armed, pressing the button on the clip you want and save dcompte begins. Tamping on it the button the clip To stop, the play continues back) Then, having recorded some riffs I juggle until it finds the structure ... Then I reworked the effects on the heart (the knobs are gniaux) and finally, I record a version model in understanding the view still juggling with the clips / scenes / effects

This is not necessarly the initial use of PCA (djing live ...), but it suits me IDAL and I bought for this purpose. I earn a lot of time and return trips of the mouse!

Only BMOL okay, you can assign any parameter or any knob pad, activating the remote control mode BUT if he does, the transport keys (read: play, pause ...) no longer work! Too bad!

So yes, it's expensive, but really I do not regret my purchase, so it is what I wanted.