Ok, played with the new setting:

It definately decreases loading time. Set smoothness to 5 and loading time was about 8 seconds.


Now here are screenies from the level exit in first level:

From the distance it looks like this:


When you walk up the stairs it looks like this:


When you walk further upwards you don't see anything but grey.

Then, the next is (my mouse issue), when game is loaded (no matter what I setup in the options before), the mouse sensitivy is set to this:



And finally switching task (Alt+Tab) craps graphics when switching back to your game:


Hope this helps.