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I have been very happy with my 550 in my bedroom. The sound is well balanced and full bodied, a quantum leap from my TV's sound, and it was a snap to install and set up (if you're worried about the size, it really doesn't take up much more room than your flat-screen TV already does). No, it doesn't quite deliver the surround effects of a 5.1 system, but the designers' primary emphasis on sound quality was a smarter choice. I would recommend this unit to anyone who wants good quality sound without the hassle of installing, and operating, a component system.