Tbh xcp-ng is direct competitior to xenserver.
Now: either xenserver is considered legacy s**t no one wants and you can reposition in the middle of vmware and hyperv (that is half price of vmware, being hyperv a no-support option) or you just refer to xenserver prices and propose your full featured pack at the price of their mid pack.
Just to start doing a bit of math. Then Oliver has to see if this is affordable for them.
As a price I mean the annual cost per socket/core as the market is regulated by per socket prices and you end up being uncomparable if you move too far from the model. Also more sockets/cores lead to more vm so more issues.
I mean XOA has a good reputation but still xcp-ng is a new thing. I would not disalign from market here.