Infinity Primus p143: $40 each
Infinity Primus p153: $50 each
Infinity Primus p163: $60 each
Polk Rti4: $119 per pair
Polk Rti6: $180 per pair
Also the Denon 1913 receiver is $400, beats Amazon's best price by $30.
Pioneer VSX-1022: $270
Yamaha A820bl: $600, destroys Amazon's $850 price
Also the Pioneer SP-FS52 tower speakers are only $77 each, or $154 a pair!
This is a really great week to build an entry level home theater if you have a Fry's near you.