Home-theater enthusiasts have a lot to play with this year, as top-quality HDTVs, media streamers, headphones, and music players from Apple, Samsung, Sonos, and Western Digital, among others, make our list. Samsung UN55C8000 55-Inch 1080p 240 Hz 3D LED HDTV   Apple TV MC572LL/A (2010) Samsung LN46C650 46-Inch 1080p 120 Hz LCD HDTV (Black)   Western Digital WD [...]