There is no straight up MIDI keyboard available with poly aftertouch. There are weird non-keyboards, such as the Seaboard and the Linnstrument. The Launchpad Pr

There is no straight up MIDI keyboard available with poly aftertouch. There are weird non-keyboards, such as the Seaboard and the Linnstrument. The Launchpad Pro is also not a keyboard, and frankly its poly aftertouch implementation is so sensitive, it's almost impossible to use, regardless of what sensitivity level you set. I know, because I have one, and I've tried.