67.22 for CS-source

People been telling me i should use this driver for cs-source.
Has any1 used this one before and also how does it work.
2nd i recently overclocked my card. will i have to overlclock it again because i am using driver cleaner or should i put it back to stock settings before i install this driver?

or 67.02 beta

Im using the 67.02 betas and I play CS:S. It plays smooth, no problems yet.