The issue I have with 4k isn't the display devices, or even storage (though storage and streaming are certainly a concern). It's that pretty much nobody will actually notice the difference. Unless you have a theater-sized screen, 4k is pretty much imperceptibly different from 1080p at normal viewing distances and standard display sizes. Even when the technical issues get solved I'm not sure there will be much appeal for me. I'd frankly rather have less compressed content than higher resolution content (and this is particularly true of cable TV which, last time I saw it, was an ugly compressed mess even for "HD", particularly in high motion situations).
- Oshyan