Which is the better surround sound system between these two and why?

-Samsung

http://www.bestbuy.com/site/Samsung+-+1000W+5.1-Ch.+Wi-Fi+Blu-ray+Home+Theater+System/2407076.p?id=1218325485127&skuId=2407076

Sony

http://www.bestbuy.com/site/Sony+-+1000W+5.1-Ch.+3D/Wi-Fi+Blu-ray+Home+Theater+System/2024262.p?skuId=2024262&productCategoryId=pcmcat167300050040&id=1218305999131