hello there, well I got the 42" and I'm very proud so far just cause I got it. I'm looking for a stand as we speak so I can't wait to set it up and turn it on. Anyhow I'm planning on buying the extended warranty on my tv which will cost me about $189.99 for 2 years. And I believe it's very important it will give me a piece of mind knowing that during those 2 years I will be covered for anything that happens to my big purchase or big investment. I've never owned an HDTV until today so I don't want to risk it or take the chance with it.
I mean I got a Samsung and it's very good brand and I'm sure and hope that nothing happens, but you just never know. So to answer your question I would definitely invest on the extended warranty, I hope that helps with your decision. When I purchased my tv I confirmed and I got 30-days to purchase the warranty so I will definitely buy it on my next check. Happy Thanksgiving!!!