According to Digicame-info, the price of new announced Sony A7S will cost 2 or 3 times than current Sony A7 ($1,698).
From Digicame-info(translated by Google):
If you think of the fact that information Price α7S that is several times of α7, I wonder would much between 250,000 yen to 400,000 yen be considered α7 is the price of about 2-3 times.
via: DI
B&H Photo Video has listed Sony A7S now.