thermal

Gidday all, Does anyone have a Seek Thermal Compact or Flir One that they'd be willing to sell for less than an arm and leg? See I've got it in my head that it'd be helpful to develop something to go on my drone that would allow me to do some thermal imaging for spotting livestock during...

Positive (pulling fresh air in) airflow vs negative (pushing hot air out) airflow in a portable? Best heatsink configuration, thermal compound, etc? Noise & heat is a concern to some people when making a portable; what do you go about doing personally? Do you care much? Discuss :P