The reason you can't hardly see the difference between 720p vs 1080i and 1080i vs 1080p is because there really isn't one. You, and most people, most likely won't see one unless they are side by side. 720p is going to look slightly better at some fast motion stuff, having less blur and artifacting. While 1080i is going to have slightly sharper detail. But over all, they booth look good and the difference is minor. As for 1080i vs 1080p, it is even less because there is no information difference between the two. 1080p is just going to handle motion a little better due to it being progressive, but other than that, there is no major difference. Companies like Sony would like you to believe so, hence the marketing BS phrase of 1080p being true HD. Not to mention the FUD of the BD fanboys and zealot of 1080i not being worth it and only cheap HD-DVD players having it.
But you will always have those people that believe there is a huge difference and that they can easily distinguish between the formats. This BD vs HD-DVD is almost as fun as the 720p vs 1080i arguments of the past and now the 1080i vs 1080p arguments. Us geeks will continue to argue about our technology preferences and opinions.
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@Phaedrus
The reason you can't hardly see the difference between 720p vs 1080i and 1080i vs 1080p is because there really isn't one. You, and most people, most likely won't see one unless they are side by side. 720p is going to look slightly better at some fast motion stuff, having less blur and artifacting. While 1080i is going to have slightly sharper detail. But over all, they booth look good and the difference is minor. As for 1080i vs 1080p, it is even less because there is no information difference between the two. 1080p is just going to handle motion a little better due to it being progressive, but other than that, there is no major difference. Companies like Sony would like you to believe so, hence the marketing BS phrase of 1080p being true HD. Not to mention the FUD of the BD fanboys and zealot of 1080i not being worth it and only cheap HD-DVD players having it.
But you will always have those people that believe there is a huge difference and that they can easily distinguish between the formats. This BD vs HD-DVD is almost as fun as the 720p vs 1080i arguments of the past and now the 1080i vs 1080p arguments. Us geeks will continue to argue about our technology preferences and opinions.