Nobody noted it...? Me didn`t note it either...
http://www.prepar3d.com/news/2013/11/4648/
Don't ask me about it, find out yourself, right now I do not know more about it than you. I certainly expect support of modern hardware.
DirX11 gfx cards are a must, the sim does not run without it.
Fate of future PMDG products is unknown, since PMDG has exclusive contracts with licensing Boeing company that is a competitor of Lockheed. Whether old packs work on P3D 2.0, I do not know currently.