Same thing here !
They crashed SS2 twice and fear on exit on the same night !
I've went back to 81.84 and might even move back again to 78.05.
If you really consider the motherboard you mentionned (the one with agp and pci-e) take time to check to know if your gfx card is supported...
Same here !
2290 no O/C 300/550
3166 at 500/675
I have read somewhere in the documentation that comes with the game that it does not support it because it caused random crash so they somehow...