Barco projectors are for a whole cinema, not for something to have at home. But then again, this is likely what IMAX claims to achieve for the rich people. Still, even Barco 4K 3D projectors (Galaxy 4K-23 and Galaxy 4K-32) aren't that expensive, just a little north of 100K.
For the record, world-class red-carpet premiers are done in cinemas that may utilize two Barco Galaxy 4K-32 for (active?) better 3D effect.
If you read this:
http://www.lfexaminer.com/20110518Shootout-In-Galveston-1570-Vs-Digital.htm
You will find first of all about the real cost...
Don Kempf, of Giant Screen Films and D3D Cinema, said that hardware costs for a giant-screen theater range from about $125,000 to $450,000, but can be as low as $50,000 to $100,000 for a non-DCI-compliant system in a small auditorium.
[FONT=Arial]And that extremes are always possible...[/FONT]
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[FONT=Arial]Lantz agreed that 8K was not overkill in that situation. “A dome is a lot hungrier for pixels.” Hoddick said that Barco has done installations that edge-blended as many as 30 projectors.[/FONT]
[FONT=Arial]But none of these are applicable to a home theater. You will be very lucky if you get one Barco 4K-23 from IMAX, and in fact perhaps this is exactly what you will get. That projector itself is around 100K, give or take, and will make the most expensive piece for a huge home theater, which is still nowhere close to the 2 million IMAX wants for the installation.[/FONT]
[FONT=Arial]P.S. The following two chapters are most interesting in that article:[/FONT]
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Panel: The business of digital[/FONT]
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Panel: Future of Cinema Tech[/FONT]
[FONT=Arial]Then you think, it was 2011, so it must be much so nowadays.[/FONT]