A local dealer made me an offer for their demo unit for $1000. Worrying it is a used unit, I also bought their 4-year extended warranty for $200. I was originally looking for a 65GT50 or 65VT50. I didn't have the chance to compare this demo unit side by side with the newer ones. However, the PQ looks good to me by itself. I was in Fry's and Costco earlier looking at some other smaller plasma sets at the same price. None of them seem to look that good. There is no...