Let the hive mind of Engadget get that for you.
"I am looking for a device that will stream sound from one source to several recipients. For example, I want to stream sound from my TV or stereo to my phone or MP3 player that has radio and Bluetooth capabilities. I have looked into radio transmitters and they seem like a decent choice, but I can't find one that uses external power (USB or from the plug) and I would want one with a transmit range of around 50 meters. Thanks!"
"He was disappointed with the sets ability to upconvert 480i, but honestly who cares?"
As long as the (vast majority) of channels are available as SD only, I would consider the quality of 480i upconversion to be very important.