Re: Temperature monitoring
I'm running kernel 2.6 and from your suggestions I've also set up lm_sensors which gives me CPU, system and what I think is PWM temp. I've also got fan speeds and voltages. The command line temperature readout from nvidia-settings I was unaware of, more useful than the GUI I think. Since all of those readouts can be output to a terminal someone must have written a logging program of some form, will keep looking.
I also worked out that
nvidia-settings -q GPUAmbientTemp
displays ambient temp.