That was my thought as well given recent history.
If the car will in fact look/be no different than the previous S7 except for the addition of the things mentioned in the article, my guess its $1mil 'sticker' would be about $650K - $700K on the heavy side. 'Would take quite a bit more than, say, a bigger pair of turbos, upgraded electronics and some CF components to justify a 'sticker' anything over $300K-$400K for an S7 'upgrade', if you will. Buuut, that's just MHO.
Coincidentally, while wifey and I were in SoCal last week, a little birdie told me G.M. will supposedly be offering a 1,000 h.p. TT V8 option for the new mid-engine 'Vette...and at a price faaaaar below $1mil, I might add. 'Far below $400K for that matter...
So, if the above turns out to be accurate - choose one... :wink