There is definately a need for mixed power in a home theater. Therefore and amp like the 7100, but with 4x100 and 3x200 watt amps in the same unit, you would better serve what is really required by users.
Alternatively, come out with a smaller Monoblock, so people could buy a package with mixed 200 and 100 watt units or even 65 watt would be great for most surround channels.
if your 7 amp special could be 3x200 and 4x100 at $1299.00, I think a lot of people would go separates. Packaged with a 990! Man, perfection...