"Your problem is most likely ATI or more specifically the Catalyst AI, which can't
be turned off anymore from the control panel"
...this
I made good experiences with Omega drivers, but they don't seem to support 64 bit and development seems to be ended
Edit: OK, before playing around with the driver for the rest of my life, I'd better play the game:
This is as far as I can get it. Nice reflections...