What Difference Will A 4k Capable DVD Player Make?

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Well then, what's the point of 4k capable pre-pros and dvd players? There are no televisions and projectors to speak of with 4k resolution. If the 4k feature doesn't improve the picture on tv's & projectors without 4k, the feature is useless.

According to Projector Central, $24,000 is the lowest starting price for any projector with 4k resolution, ....hardly in the realm of the everyday consumer.
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Mitch - I suppose the answer is: "future-proofing" (and bragging rights)

Call the mfgr. of your projector and ask for tech support or a tech rep. Tell them you have some questions and see if you get a straight answer. Has the projector been reviewed by any competent writer you could contact? They usually do a lot of tests.

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Nah Tom, my projector is five years old and out of production, I doubt any rep wants to talk to me about it. I posted this to see if anyone with a 4k dvd player or a 4k capable pre-pro got a better image on their 1080p projector.

By the time 4k becomes commonplace in tv's and projectors, all of the current dvd players will be out of production and the new models will be out. So, I think it's like Mateored above said..the whole 4k hubub is about bragging rights, because currently, there is no practical use for it if it doesn't improve the image on 1080p tv's and projectors.
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Mitch, I think you have answered your own qustion. Regardless of your source, you can't get any better than what your PJ will display. If 24K is the cost to get there, thats what you have to do. If it were me, I would enjoy what you have for the moment. Elizabeth is right. So, are you an everyday consumer, or not?