My understanding is that if SCOTUS rules against NY it isn't the ability to transport guns per se that would benefit us, it is the fact that the decision will very likely be with the declaration that laws restricting the Second Amendment would be subject to strict scrutiny for judicial review rather than just intermediate scrutiny.
If that is the case, then it would be huge. Every case of appeal to NJ's gun laws could potentially overturn those draconian laws we are held under.
Additionally, the NYSR&PC case also has meaning for NJ's infamous "To & From" Law which requires an exemption for NJ gun owners in order to transport LEGALLY!
What we all tend to forget in NJ (perhaps because we're all so USED to BEING INFRINGED) is that statutorily ALL GUNS ARE ILLEGAL, and merely exist in the hands of us serfs due to the benevolence of our Masters through EXCEPTIONS & EXEMPTIONS. So if SCOTUS ruling declares ownership & transportation to ranges in your own state to be lawful, NJ's entire House of Cards could come crashing down. It all depends on how the majority opinion is written & how narrow the interpretation actually IS. IF it's far-reaching and NOT narrow, we could see BIG changes to ownership, practice and transportation laws here in NJ!
As a 2A Leader, I understand fully that every time SCOTUS grants CERT on a 2A case, it can mean a better or worse reality for the entire nation's gun owners. I therefore am very hopeful that we in NJ may see some relief from our current status-quo.