It seems yes... But im not sure this is directly linked to Nvidia, because, when you are using the same fundry, the same AIB, i can imagine the " informations" are somewhat not so hard to get for product who should be launched soon when they implied so much peoples ( I say product who should be launched soon, this is for dont enter technology spying question, but we all know how it work ) ... but strangely i think, even on the professional side (FirePro, workstation, Autodesk and 3D professionals softwares developpers, i have never see so much closed mouths, so i imagine, they just lack the informations ( or peoples who get them, are really well choose )...
Even on the rumors side, what we have `? nothing.. I dont know how AMD have sucess to do that, but really we have nothing other than speculation at maybe 1-2 months of the launch. In general at this point, we should get , tons of false leak, but there we dont even got a roadmap, for tell you if this card use a GCN 1.1 or a new generation of GCN (2.0 ) .. I cant tell, if this is a good sign or not.
This said, the affairs, you are talking about, could have a big impact, for predict what your opponnent can do, on a marketing, and developpement side.. and could have an impact on the reason of AMD to have completely change their plan for the 2013-2014.. ( but there, i speculate myself too ) .