News is something you didn't know - Charles Arthur, The Independent
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Industry plays with Ultra High Definition
Sony demonstrated a projector that can do 4.5K. This resolution has as many as 7680x4320 pixels. This is at least four times better than the current 1080P that has 1920x1080 resolution only.
The demonstration was done using a 300-inch super screen and 22.2 multi channel sound system which was more than enough to impress the viewers.
We are not surprised to learn that a bunch of Japanese companies are responsible for this resolution. Ultra High Definition offers a resolution of 32 million Pixels compared to HDTV's 2 million pixels. In pixel count the Ultra HD is some sixteen times better.
If you are still not impressed, let's look at some numbers shall we. Eighteen minutes of uncompressed UHDV footage consumes 3.5 terabytes of data and one minute of footage consumes 194GB. You can get more details about the matter here. µ
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There is another "half" to the Ultra High Definition Puzzle: once you have it in your home, how do you move and manage this huge signal, especially if your home is networked, as it will be in the years to come.

Along with Ultra High Def being a killer app for viewing enjoying, keep an eye on the G.hn standard which is being supported by the ITU. 

That seems to be the emerging standard of choice and should represent the best of both worlds in wired and wireless networking

G.hn has targeted gigabit per second data rates and operation over all three types of home wires: coax, powerline and phone wires.

See: http://en.wikipedia.org/wiki/G.hn
ummmmm im scaning the net to learn its ways.