I was having some trouble wit CC not being in my path (that is the error I was getting while trying to install the driver the non-ubuntu/non-debian way.
Finally I found this.
http://wiki.debian.org/NvidiaGraphicsDriversNvidiaWay
Well written. I think it is better than the Debian-way nvidia wiki.
In it it described what to do when the CC error popped up. I did so and BINGO!
I was up and running in 5 minutes!
Alp