i strongly believe that HD in movies is almost useless if you have a good scaler (stand alone/BR player/TV set) and you watch movies from more than 2,5 meters...at least if you don't have a 50"+ screen.
in other words in the ordinary home theater enviroment (42" Tv set; 2 to 3m viewing distance) almost all the difference you see between a DVD and a BR is linked to the quality of the scaler/deinterlacer....just try a BR player with decent upscaling/deinterlacing capabilities (NOT the PS3 in other words) and you'll see that for yourself.
in my house i have a 100" screen with HT projector (3.5m viewing distance) and in my case despite the good upscaling capabilities of my player (or of my projector as both of them feature the reon HQV chip) i do actually see the difference between a DVD and a BR...but if i had a "regular" 50" plasma i don't think that i could really tell the difference between a DVD and a BR from 3.5 meters...or at least i don't think that the difference i could see would worth the money
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