For airflow, it is much better to have more air coming in than going out. so say you have 2 intake fans and 1 outtake fan.
Also, use HWMonitor for temperatures. it's quite a simple program with all the temps listed on page, which i fidn better than having to browse through everything with everest (though everest is good!)
Once you open HWMonitor, it should look something like this:
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In Everest, go to Computer
and to Sensor tab
It will tell you all temperatures in your PC