...than a digital system would be. Of course, the average viewer of a movie really shouldn't notice to much of a difference. Digital films cannot be damaged in the same way a film would be, so the picture quality may improve in some cases. But...
http://news.cnet.com/8301-13772_3-10055919-52.html
When you turned on the TV for the first time, did it ask if you'll be using it in a home or a store? Most of the new HDTVs ask that question, which is a good thing. TVs generally leave the factory set up to look good on the showroom floor, which means they look lousy in your home.
http://www.itworld.com/%5Bprimary-term%5D/83172/calibrate-my-hdtv