i know this is an old post and sorry for bringing it back just had a question. i bought this same model 50PN460 from brandsmart (the one near buford hwy). it's a great tv and i absolutely love it but i'm confused as to what the specs on it are. from what i was told by the brandsmart rep, the TV is exactly the same as the 450 (he too said the only difference was the screen and the glare resistance, etc). i bought it assuming it would be a 720p set. i know standard HD cable/satellite broadcast in 1080i, but my confusion starts from my PS3. i'm able to play or watch movies on the 1080p resolution. i have another tv which is 1080i at the most, and when i put the PS3 to that one, the tv screen goes black because it won't handle the 1080p (i have to downgrade it to 1080i for the tv to display the ps3). since there are no specs anywhere for the 50PN460, i can't tell if it's a 1080p tv or a 1080i. but it DOES beautifully display 1080p. so it's possible that may be another difference (or maybe i got really lucky and someone at Samsung messed up and blessed my tv, who knows =P). also those Black Friday prices were good, i got this one for $877.76. i felt it was a great price for a 720p 50", but knowing it allows me to play 1080p just makes it all the better.