Hi there...
    I have purchased a Gigabyte Geforce 8800GT NX8T HP (or something like this)....512mb memory,700core,1840memory
 
I want to ask : what is the best accurate utility to read all the sensors from that 8800GT ? I mean GPU temp,ambient temp and memory temp of that card ?  
 
I tried searching Gigabyte site for a utility but I didn't give me a clue...
 
2nd question....Is it better to use the nvidia driver or the latest driver found in Gigabyte site ? as the latter driver (from Gigabyte) might contain additional infos about their OC card like mine or that's not the case ???

Try Riva Tuner 2.07 or Gigabyte's HUD for monitoring (and overclocking).
 
As drivers are concerned download from Nvidia's page or Guru3D, as they have the latest drivers(Guru3D has the latest  beta drivers also)!

Thanks Eric...
1-Can you give me a download link for "Gigabyte's HUD" please ?
2-Is Everest prof. edition is accurate regarding graphic cards temp. reading?