i7-3920xm overclock, what kind of clocks?

I have the the i7-3920xm in my M17x R4, was wondering what kind of overclocks folks are getting as in laptops the temps aren't the best. I know even with my higher CFM fan upgrade i can still see 50-60c at 15% usage aka idle in my case.

i7-3920xm overclock, what kind of clocks?