I don’t mean to start some sort of heated debate, but here’s the thing: I resent the need to buy a $500 piece of software that I (should) already own. Cubase, as far as I see it, is a stripped down version of Nuendo; Nuendo without the post features. I own Nuendo with the NEK so there is nothing in Cubase that I won’t have in Nuendo. The new features in Cubase 8 are great and I’d like the ability to use them now, not wait another few months for them (as we have to do each update cycle). To be honest I don’t even get why Cubase and Nuendo are separate products. Nuendo should be Cubase Pro, or Cubase POST, but that’s another thread I guess.
For those of us that have spent over 1k for Nuendo + the NEK (not to mention all of the updates over the years), I think it’s only just that you allow the Nuendo license be able to open Cubase Pro as well. It would be the right thing to do in my opinion, and I can’t see how it could hurt you that much.
My 2 cents.