Ideal lumen rating

After reading many posts here and elsewhere I will make the following assumption. A projector with a lumen rating of more than 900-1000 will not be as ideal as a projector with say 600-900 lumens, for home cinema use. Is it because you will lose detail in dark scenes with a high lumen projector?.

I also think there is further investigation to be done regarding grey screens, has anyone tried painting plastic or other surfaces with icestorm paint?.

[Chris Frost]

It's true the home cinema projectors tend to be less bright than those used for presentations, but looking at one figure, like ANSI lumens, isn't the answer. There has to be a balance between brightness, contrast ratio, screen size, room lighting, screen surface etc.

An 800 ANSI projector with 200:1 contrast could look worse than something more powerful but with better contrast.

I know this sounds obvious, but you need to see and judge projectors for yourself before buying.

Regards