If the article is correct (saying that the memory bandwidth is very important) then a 780Ti is still interesting (336GB/s[1] vs 224GB/s[2]). They increased the memory clock but they decreased the memory interface width from 384 to 256-bit, for some reason.
nVidia released the first level cutdown (GM204) as the "80" part, while it really should be the 960 at most - the full/big Maxwell core hasn't been released yet.
Chances are the first fabbed version simply didn't work and they're waiting for the GM210.
Chances are the first fabbed version simply didn't work and they're waiting for the GM210.