I don't know if this question will make much sense, but in very broad terms of where discrete graphics are going, is this the general categorization right now?
ati: games + "image quality" + hardware accelerated playback of HD content + cpu/gpu
nv: games + "physics" + hardware accelerated playback of HD content +cpu/gpu
ati: games + "image quality" + hardware accelerated playback of HD content + cpu/gpu
nv: games + "physics" + hardware accelerated playback of HD content +cpu/gpu