I probably should just say nothing for one day, waiting to see if Nikon reveals all tomorrow as is hotly rumored. But for the impatient amongst us, I wil mention that the most natural interpretation is that this 4MP, 8fps "hot-rodded CMOS" chip is to be used in the expected successor of the 1Dh, a camera aimed at the same sport/action photography market as the Canon 1D and not really a competitor of the 1Ds at all.
If the main advantage of the LBCAST technology is shooting speed, Nikon might even go for a different technology if and when they challenge to 1Ds.
By the way, the Nikon press release talks about achieving size reductions, pointing yet again at their stated goal of doing everything in DX format (16x24mm frame): I wonder how many times and in how many ways Nikon will have to pledge and evidence their commitment to DX before some people start believing it. I am not referring to comments in this thread or even on this site, but to the widespread "net wisdom" that Nikon will go to 24x36mm frame size in a year or two, even though that would annoy the <bleep> out of all its DX lens customers.