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Question: Samsung HW-C450 or Samsund HT-WSIG?

I recently purchased a 46" 1080 LED HDTV Samsung television (UN46B800XF), but I am disappointed with the sound quality. I looking at purchasing a Samsung sound bar. Which would you recommend the HW-C450 or the HT-WSIG?

The televison is in our bedroom, and don't want to spend much more than $350, and would like to stay with the Samsung brand.