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Exactly! Did you ever see that table that should be able to charge all devices and you could "drag" your pictures out there? That was ages ago and it never came :D

I think the reason why they don't make it to the consumers hands is because corporatiosn cannot find a way to mass manufacture at competitive prices.

I think you're completely right about that. Someone have to spend resources on R&D and then make sure they can get a profit out of it. With the limited knowledge there still is about this it might be too expensive compared to the market prices which they would get out of it. It's the same thing we saw with the LED tv where the profit just isn't big enough :-)