Hi Andrew,

re:
> Firstly a simple question: If I applied the suggested settings, I assume "PrintScreen" would grab the
> improved image, as processed by the graphics card?

Yes, the print screen should capture the image as it is displayed on screen.

Another method you can use is to set up a script on a shortcut key that will make MoI generate an image that can be higher resolution than the screen.

You can do that with a keyboard shortcut as described here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=9764.2

- Michael