Ati 4670 HD Temperature?

[blinkday10]

Overclocked to:750Mhz/822Mhz
Fan Speed 100%
I wanna know if my Ati 4670 HD 1g DDR3 temperature is good, my temperature when i am not playing is 35-39c and when i am playing is 43-55c is it fine? or its going to blowup? :S

 

[1haplo]

The HD 4650 temps below 60C are great. IIRC the Shutdown temp is around 100C-110C