Tron- I understand you want the smallest possible package for the sbc. But my point is - what are you going to use to power this thing? If your plan is to leave it buried for days at a time, the size of the batteries needed will be far larger than any notebook pc. The size difference of batteries and sbc versus batteries and notebook will be insignificant. What type of battery / power supply do you plan to use? Please do not be offended, I am not trying to be a smart ass. I am just curious as to how you will assemble this thing. Thanks