The easiest place to get more information about HDTV receivers is to consult Shawdirect, they will be able to answer all related questions and give advice where needed.
One can find information about HDTV at websites like ABCLocal, NHTC, Wikii Answers, Jasco Products, Time Warner Cable, ZD Net and Dennys Antenna Service. Alternate places are How Stuff Works, Televisions How To and HDTV Professor.
You can find information for this is many different places. If there was a specific brand you were looking at, you can look at the manufacturer's website to read all about the product. You could also visit a store to find out information about it.
Yes, Sony has been a leading maker of HDTV's since they first came to market. You can find more information online at their website www.sony.com/televisions.shtml
HDTV is starting to become more widely available. I would contact your local cable or satellite provider after looking online. They should have all the information you need.
Management company or consulting agencies may use calibration management software. You can find out the benefits and more information at www.qualitydigest.com/aug00/html/calibration.html
You can find professional reviews for HDTVs on the following website: http://www.hdtvtest.co.uk/. They have a lot of useful information.
There are many website available that explain the differences between LCD and LED HDTVs. Try this we blink at http://lcdtvbuyingguide.com/HDTV/led-vs-lcd.html
It is very important to comparison shop when looking to purchase a new HDTV. Many retailers will offer sales or promotions. You can find pricing information online at websites such as www.nextag.com or www.samsunghdtv3d.us/
You can find a replacement hdtv display for your television on the following site: http://www.thescreenguys.com. They have just about everything.
If you are looking for a 50 lcd hdtv, try checking online. Alternatively, a store like Wal-mart, Target, or even Best Buy will surely be able to help.
If you are curious to buy a LG HDTV and you would like to find the cheapest or compare prices and find a good deal, this is a great place to do it. http://www.buyledtelevision.com/LG-42SL90-LED-HDTV