Personally, I would never buy EDTV. It is not "Hi Def". If you want to watch HDTV, and it is the future, then you should skip EDTV altogether. Aside from watching standard def TV, EDTV is fine for watching DVDs since EDTV is 480p and that's what a progressive-scan DVD player outputs, but with the newer upscaling DVD players that are available and with HiDef DVD being right around the corner, even that point is debatable.
I have the Sony KDF-55XS955 55" rear-projection LCD, and I couldn't be any happier with it.
For me, I was only willing to make such a major purchase from a reputable retailer who could provide service and take returns if needed. If I need to make a return because I'm not happy with it, I want to know that this isn't going to be a problem. After finding the TV I wanted, I went between Tweeter and Best Buy before I made my decision. On that particular day, not only was Best Buy able to offer me the best deal, but I also received the best customer service from them believe it or not (Tweeter sales reps are even on commission). I also was secure in the knowledge that if I wasn't happy with anything I could have returned it for another model without much hassle. I don't think you can get that from eBay.
If you are looking to buy online though, One Call has a great rep from the AVS Forum crowd, among others. I purchased DVD player from them and I wouldn't hesitate to buy from them again. Aside from having a great reputation in the audio/video community for their service, their prices are also generally pretty good.
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