Newegg.com has the Sony SA-VS310 5.1-Channel Home Audio Speaker System for a good price.

Google Products Price : $354.35 ~ $549.99 Shipped

1. Newegg Price : $499.99 Shipped
2. Use coupon code EMCJKKC22 to get $250 off ( Exp : 10/10/11 )
Final Price : $249.99 Shipped