Enjoy your CES peek at Samsung’s ultrathin 9000 series LED-lit LCD HDTV , with its touchscreen, video displaying remote control (also available as a $350 add-on for the 7000, 8000,and 750 series televisions) and 3D capability? That’s good, because bringing the 55-inch UN55C9000 home in April will cost you a cool $6,999 (the thrifty can slum it with the 46-inch version for $5,999.) Still, if you’re just looking to jump in on...