Right now I have a Mitsubishi 50" non-HDTV, it's a 4:3. I bought it in 1999 or so and it seems like technology has advanced so far. It is a beautiful TV right now and I sit about 6' away from it. Would I see a big difference if I went to a 16:9 widescreen Mitsubishi that is 50"? To me in the store the 50" widescreens look so much smaller than mine and the quality doesn't look like it is a huge improvement. Is this anyway to upgrade this TV to an HDTV? I saw a version of my TV in TheWiz before they shut down and it was HDTV upgradable, is this TV then? Thanks for any input, i'm somewhat clueless on TV's. Also, what is the life on a TV like this before it started to encounter problems like the bulb and such. So far I would say it has had about 25,000 to 30,000 hours of use.