I wouldn't put LG at the top.
Whenever i walk into the local electronics store, the Samsung/Phillips LED TV's always look the best, and by quite a considerable margin. Conventional CCFL backlit LCD displays the PQ is closer between brands, but i would still put Phillips up top with Sammy in 2nd.
However, i got the pleasure of seeing a SIM2 Grand Cinema C3X projector in action at the local home theatre shop, where you can set up a room for yourself with the top speakers etc. And they were showcasing this projector, and holy crap i've never seen such a good image in all my life on any TV monitor or projector. Nothing came close in my opinion. But then it was a) beastly big and b) £26,000