WE deserve one. Some controller with the same principals as Push is for Ableton.
Aparetlly PXT-General is the newest application from nativeKontrol which allows Push to be used with Cubase.
Other than create a dedicate controller for Cubase I think Steinberg should at least try to create a template so Push can fully work with Cubase.
Would be great to work with Groove Agent with Push Step sequencer.