If you're spending over $500 on a soundbar though, you should think about separates. It may take more time and money to assemble a separate speaker system, but the effort is well worth it.
The Vizio 5.1-channel M-Series premium soundbar is one of the best value plays you can make for your home theater, as it features nine high performance speakers with separate tweeters and woofers.
I, personally, hate TV speakers. I watch a lot of movies ... then you're best off with a soundbar. I'm a big fan of a soundbar, thanks to their sound quality size compared to a full surround ...