NVIDIA driver slowdowns

[spydrct02]

If you've upgraded your video card to a more modern NVIDIA card, you've probably noticed everything (3D games) is quite faster, but on the other hand, Graal is much slower. Apparently the later forceware drivers work pretty crappy with Graal. Using older forceware drivers is the only way to make your Graal run properly at regular speeds. I'm thinking tile drawing performance is some how reduced in later forceware drivers.

Some effects of using newer forceware drivers:
- Pretty slow level changes when fullscreened in higher resolutions
- Overall gameplay is pretty skippy/jerky
- Changing your camera around (focus) will cause the same lag/freeze as changing a level, though how far you changed the camera from your position affects it.

The latest version I've tried that worked fine was version 76.44, dated around April of 2005. I know for sure anything above version 90.## works pretty crappy, but I haven't tested any of the 80.## drivers.

This is not a card-specific problem from my and others' experiences, and some people have a card that is too modern to use old drivers for, so they are stuck with a slow Graal on a fast/faster card they payed $100+ for.