put one on each side and do a side by side comparison but i think the 8000k would be brighter cause as color faded on 12k id assume so did some of the light output
the kid in the second demo you gave(the one that was bouncing around everywhere) his reaction made me lol. seemed like he would be able to take it then, BAM. i need to make a road trip out there to hear this hoe..
the smaller bulb(non hid(dont know how to spell it)) is for the high beam.. thats another kind of bi-xenon hid.. aside from the one that the single beam shifts