I just bought this tiny MIDI controller: http://www.cme-pro.com/xkey-specs/ http://www.cme-pro.com/xkey-specs/ On the features list: "Polyphonic aftertouch".

I just bought this tiny MIDI controller: http://www.cme-pro.com/xkey-specs/ http://www.cme-pro.com/xkey-specs/ On the features list: "Polyphonic aftertouch". It's a little scary; I thought that was a super common feature and didn't think to check that the one I was ordering didn't support it. I'm glad it does, though.