Can Anyone Tell Me The Difference Between The Following Samsung Lcd Tv’s?

Hope anyone can help
Samsung LE32″M87″BDX 32″
Samsung LE32″R87″BDX 32″

Who Makes The Following – Vistron Noire 42″ Hd Ready Lcd Tv Digital Freeview?

Just following Xmas my parents decided to take the plunge and update their seven year old 32″ CRT TV.
So me being the helpful son decide to check ebuyer finding the following TV
– Vistron Noire 42″ HD Ready LCD TV Digital Freeview 1366×768 800:1 500cd/m2 HDMI/VGA PIP
A good spec’d TV with very nice reviews, and [...]

Going To Buy My First Tv, Looking For 32″ Lcd; Which Is Best Out Of The Following Brands And Tvs:?

I’ve never bought a tv before, so I’m not really sure! What are the positives and negatives out of some of these, and which do you think is best? It would generally be for gaming mostly.
Samsung:
http://www.samsung.com/us/consumer/tv-video/televisions/lcd-tv/LN32B540P8DXZA/index.idx?pagetype=prd_detail
LG:
http://www.lge.com/us/tv-audio-video/televisions/LG-lcd-tv-32LH20.jsp
Sony:
http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=8198552921665746294#reviews
Panasonic:
http://www2.panasonic.com/consumer-electronics/shop/Televisions/All-VIERA-Flat-Panel-HDTVs/model.TC-L32C12_11002_7000000000000005702