If you really want the best of the best projector you should use the one I am using now
Xiaomi A300 L1668FCF 4K ALPD WEMAX Ultra Short Throw Proyektor Laser
Okay be careful here because it's a bit confusing.
It's wemax. 4k A300
The price is only around $2k according to https://www.xiaomitoday.com/2021/05/07/xiaomi-wemax-a300-4k-9000-ansi-lumens-projector/