Lets face it, 4k is a Scam

[Conina]

1080p is perfect for my 47''-TV (and I don't have the space to replace it with a bigger model.

But 1080p on my 80'' projection screen could be improved a lot by 4K. Unfortunately, 4K projectors are still A LOT more expensive than 4K TVs: http://4k.com/projector/

Sony VPL-VW 4K projectors for $8,000 - $28,000? My Sony VPL-VW50 (1080p) was around €2,000 in 2008, €2,400 if I include the spare lamp.