There has been quite some fuzz about recomendations needed for the next generation systems and all weird stuff is showing up.
The following info was taken from C't 4 -6-2-2006 and translated by me:
Minimum for the NEC HD DVD player and samsungs blu ray player:
Pentium 4 3,0 GHz (or Athlon 3000+) and a 128 mb videocard.
Samsungs recommends Geforce 7800 or a ATI radeon X1800 for speeding up decoding of h.264/AVC or VC1.
HD-signals are only possible through HDCP.
the DVI or VGA output will probably only give the standard quality no high definition !
This is what so far has been reported to the press. So no weird guesses about dual (core) processors or 256 or 512 mb video cards.