Reply to Good (cheap) start with Ableton

Hi everybody,
I would like to start my music journey with Ableton. I don't want to give much money for it so I found Ableton Live Intro that will help me at start. Now I'm looking for some basic controller for it. I saw AKAI APC-20 that looks fine and I believe quality/price factor is quite good. What kind of other controllers you recommend for Ableton beginner?
Thanks in advance for hints!