I forgot to mention I want to use the Kenwood power amp and speakers for the fronts and the Polk Audio RM10FS setup as 7.1 system.
Here are the specs for the Kenwood components
Kenwood Stereo Power Amplifier KM-992
The power amplifier is 150 watts RMS, and is able to control two sets of speakers independantly.
Specs for the power amp are: 150W RMS from 20Hz to 20kHz at 0.03% THD rated at 8ohms. THD at 1/2 rated power into 8 ohms is 0.015% over the 20Hz to 20kHz range, and only 0.002% at 1kHz Frequency response is 5Hz to 200kHz, +0dB, -3dB. Signal to noise ratio is 120dB
Kenwood 3-way Tower Speaker System JL-929
-12" Cone type Woofer
-5" Cone Type Midrange
-1" Cone Type Tweeter
-8 ohms
Max Input Power - 180 watts
Rate Input Power - 90 Watts
Sensitivity - 92 dB/W at 1m
Frequency Response - 30 Hz to 20,000 Hz
Crossover Frequency - 2000 Hz, 5000 Hz