Adam wrote:

But the NVdriver *is* the proprietary Nvidia one [...]

Yes, sorry, it seems that I was mislead by the OP saying they came with X. Why would you want to play Q3 anyway? ;-)

[...] the only problem is though that they are not open source =(

No, the problem is that when they fry the system, you can't debug it. The cause is that they are needlessly restricted.