It does not appear to be overheating in any of the components.
It's on a Gigabyte motherboard with a 750W Gold PSU.
Does anybody have any specific tips for dual 280x that seemed to be causing BSOD?
What mainboard/CPU combination are you using? Two GPUs plus a CPU may be taxing the limits of your power supply, depending on how honest the rating is and what the +12v rails can provide. Measure the voltage on your +12v rail while hashing and see if you're suffering from sagging voltage at the cards.
It's a GA-F2A88X-UP4 motherboard with an A4 4000 richland CPU.
The PSU is a Thermaltake Tough Power. The 12v rail is supposed to be able to deliver 60A. And it's not even running lukewarm.
Yesterday I lowered the air evacuation in the room that it's in, and it's actually been running stable for over 24 hours now. Not sure what to make of that.