Nvidia 191.07's
Yes, people have tried it:
Latest NVidia driver
That thread turned into another ATI-vs-NVidia debate, but the point is: the driver works great for those who have tried.
As for AA, I have a 9600GT and I've used FSAA set on 4x for a long time without any issues (as per jg0001's recommendations thread). I can't say I notice any real difference with the new drivers though.
Has anyone tried the 191's from Nvidia yet. Reason being, they're listing some pretty impressive performance improvements, and three of the six bullet items include the text:
Scrappers are just like chainsaws. Somewhat hard to handle, EXTREMELY dangerous, and by far the most fun when wielded by the slightly insane.
@Alissara - an Angry Angel
The Angry Angels. When it absolutely positively has to be spanked today.