The Polks are fantastic, I have two setups at each of my houses. The 50's with the CS2 are fantastic for home theater & music. Plus they're cherry and pretty to look at. You can add a matching cherry PSW10 (you can find it on Amazon for $130 shipped usually).
Source: Pioneer VSX1121
Fronts: Polk Monitor 70 x 2 (AudioSource AMP100 in bridge mode, each)
Center: Polk Monitor 70 x 1 (AudioSource AMP100 in bridge mode)
Side Surrounds: Polk Monitor 50 x 2 (Direct from VSX1121)
Rear Surrounds: Polk Monitor 50 x 2 (Direct from VSX1121)
Subs: Polk PSW505 x 2